Criminal Law Blog developments in leading appellate courts

Kahneman’s Thinking, Fast and Slow

2012-01-15T17:09:00.002+13:00

Everyone is reading Daniel Kahneman's "Thinking, Fast and Slow" (2011). A passage in a recent New Zealand Court of Appeal decision, the details of which are currently suppressed, raises questions about the right way to think about propensity evidence.

The case citation is [2011] NZCA 645 and the date of the decision is 14 December 2011. I will call it X v R. I will also adapt the quotation from para [34] of the judgment to comply with the order suppressing identifying particulars of the appellant:

"... it is an unlikely coincidence that Mr X, twice within a year, would be the hapless and innocent victim of being apprehended driving a car with [other people in it and also with evidence of criminal offending in it]. The evidence goes directly and cogently to the key issue: did Mr X know of the [items] found in the car he was driving on [the second occasion]?"

While the conclusion that the evidence had sufficient probative value to be admissible is intuitively correct, this form of reasoning entails several thinking errors of the kind that Kahneman discusses.

There is a tendency to draw strong conclusions from incomplete information (the "what-you-see-is-all-there-is" error). We are not told anything about the frequencies that matter in the above case: how frequently do people who are guilty of the present sort of offending have a previous recent incident of this sort of police apprehension, compared with how frequently do people who are innocent of offending of the present kind have a recent previous such apprehension?

There is a substitution error: we tend to answer difficult questions by answering a much simpler related question. Here it is easy to answer the question about the recent apprehension and to apply that answer to the more difficult question of guilt on the present occasion. This is closely related to another error.

Base-rate neglect is the error of neglecting statistical likelihoods in favour of accepting what could be causally possible. The other evidence in the case, relating directly to guilt on the present occasion, may significantly affect the strength of our tendency to see a causal connection between the first apprehension and the second.

Another error is the halo effect, or in the present context what might be called the devil's horns effect. Having learnt something bad about the defendant's behaviour on an earlier occasion, we are tempted to overemphasise this when we consider his present guilt.

Further, there is the narrative fallacy: we are tempted to accept what we can build into a story that makes sense, although the events may in reality be unconnected. The defendant may have been innocent on the earlier occasion through lack of knowledge of the presence of the things in the car. The coincidence may be real, but it does not suit the story we are tempted to build in which we cast the defendant as a recidivist.

This is similar to another error, the representativeness bias. Where only partial information is available we lean heavily on stereotypes.

For a review of Kahneman's book summarising these and other thinking errors, see the article in the New Zealand Listener, January 21-27, 2012, by David Hall.

In the above case, where the issue was the defendant's knowledge of the presence of the things in the car, it is easy to build a narrative in which the defendant, being ignorant on both occasions, was simply associating with people who were both his friends and offenders. That too would be a combination of thinking errors.

Courts too often make assumptions about likelihoods without inquiring into occurrences in the real world. The correct approach is Bayesian, as Kahneman – a leading psychologist and Nobel laureate – recognises. But that requires the effort of careful analytical thought rather than our preferred instinctive assessment of circumstances.

Admissibility of eyewitness identification evidence

2012-01-13T16:56:00.002+13:00

Just as I was sneaking back to the Southern Hemisphere the Supreme Court of the United States delivered its decision in Perry v New Hampshire. I have previously noted the submissions that the Court received in this case on the vulnerability of eyewitness identification to error.

The reasoning is necessarily tied to the constitutional jurisprudence on due process, so I just summarise the effect of the decision in terms that may be of more general interest.

Sotomayor J dissented, but the majority held, in a decision delivered by Ginsberg J, that there is no need for a trial judge to have the power to exclude such evidence on grounds other than unfairness to the defence. Irregularities in the conduct of an identification can be the subject of trial remedies, such as confrontation and cross-examination, judicial caution to the jury about the need for care before accepting this evidence, and the judicial discretion to exclude the evidence if its illegitimately prejudicial effect outweighs its probative value.

That is a conservative approach. In our neck of the woods we have radically reformed the law: s 45 of the Evidence Act 2006 imposes a burden of proof of reliability on the prosecution where specified formal procedures have not, without good reason, been followed. The standard of proof here is beyond reasonable doubt. The defence may still challenge the admissibility of the evidence if formal procedures have been followed, but the burden is on the defence to prove on the balance of probabilities that the evidence is unreliable. These provisions are discussed in R v Edmonds [2009] NZCA 303 at [79]-[128] (sorry keen readers, not currently available online). The issue for the judge is whether the evidence is sufficiently reliable to go to the jury, not whether the evidence establishes identity to the relevant standard. Proof of reliability is distinguished from proof of identity, and the focus for the prosecution's burden is on the circumstances in which the identification was made. It does not include other evidence suggesting guilt, such as a confession.

There are issues concerning the interpretation of s 45 that remain to be explored. Its application in judge-alone trials has been considered by the Supreme Court: Harney v Police.

Extended secondary liability: assessing the risk

2011-12-22T09:46:00.002+13:00

"Where 2 or more persons form a common intention to prosecute any unlawful purpose, and to assist each other therein, each of them is a party to every offence committed by any one of them in the prosecution of the common purpose if the commission of that offence was known to be a probable consequence of the prosecution of the common purpose."

So says s 66(2) of the Crimes Act 1961 [NZ], defining extended secondary participation in offending. The contentious phrase has been "a probable consequence", giving rise to arguments about whether a common intention to use one form of violence, for example, made the use of another more serious form a probable consequence. In turn this led to arguments that use of a knife was not a probable consequence of the use of, say, a common intention to use a baseball bat, or that use of a gun was not a probable consequence of, say, a common intention to use of a knife.

In Edmonds v R [2011] NZSC 159 (20 December 2011) the Supreme Court rejected continued development of this line of case law and directed a return to the words of the statute.

Of course the same issues will continue to arise: was the common intention one which had the probable consequence of the commission of the offence in question? In violent offences the sort of weapon actually used will usually be relevant, but in a way that is directed to the probability of its being used as assessed from the point of view of the defendant who had the original purpose in common with the principal offender.

"[47] The approach of New Zealand courts to common purpose liability must be firmly based on the wording of s 66(2). That section recognises only one relevant level of risk, which is the probability of the offence in issue being committed. If the level of risk recognised by the secondary party is at that standard, it cannot matter that the actual level of risk was greater than was recognised. It follows that there can be no stand alone legal requirement that common purpose liability depends on the party’s knowledge that one or more members of his or her group were armed or, if so, with what weapons. As well, given the wording of s 66(2), there is no scope for a liability test which rests on concepts of fundamental difference associated with the level of danger recognised by the party. All that is necessary is that the level of appreciated risk meets the s 66(2) standard."

From this it is clear, or at least so it seems to me, that (i) the risk recognised by the secondary party is the risk he actually perceived, not the risk he ought to have perceived, (ii) if the secondary party perceives the risk as a "probable consequence" that is sufficient for his liability, (iii) the secondary party may recognise that risk without knowing that the principal party has a weapon, (iv) there are no gradations of the culpable risk - either the preceived risk is of a "probable consequence" or it isn't.

It follows that evidence of the alleged secondary party's knowledge of the possession of a weapon of a different kind from that actually used is relevant not as itself a criterion for liability but rather as material to whether those criteria are met.

This approach to extended secondary liability will apply by analogy to all offences, not just those involving violence. The central issue is whether the alleged secondary party had what amounted to a belief that commission of the actual offence was a probable consequence of the common intention to commit the originally intended offence. It will not be necessary to prove that the alleged secondary party knew that the principal had the means to commit the actual offence, but if he did know that the means existed that would be relevant to assessing whether he had the necessary perception of probable consequence.

As the Court points out (49), it is for the prosecutor to say what the alleged common intention was. The closer the commonly intended offence was to the commission of the offence that was actually committed, the easier it should be to prove that the latter was a probable consequence of commission of the former.

This decision puts extended secondary liability back on the statutory track, away from which the case law had allowed it to drift. However the role of the phrase "in the prosecution of the common purpose" in s 66(2) could still give rise to debate. In committing the offence for which extended secondary liability is contended, did the principal offender go outside - and bring to an end - the prosecution of the common purpose? Had commission of the commonly intended offence been abandoned? This sort of issue is not likely to arise in cases of violence, where the use of force can be seen as a continuum with the commonly intended offence merging with the one for which extended liability is in question. While Edmonds deals with an aspect of extended secondary liability, other problems in applying s 66(2) will need to be addressed.

Fair trials without central witnesses

2011-12-20T09:51:00.001+13:00

It is possible for a trial to be fair without a central witness giving evidence in person and being cross-examined. The witness's evidence may be read at trial but the fact-finder may still have adequate means of testing the reliability of that evidence.

A fair trial is one where the law is accurately applied to facts that are determined impartially. Impartiality can exist when an unbiased fact-finder uses adequate means to assess the reliability and weight of the evidence.

It might be that there are corroborative witnesses who do give evidence and who can be cross-examined. There might also be a similarity between the evidence of independent complainants that is so unlikely to be coincidence that their mutual reliability is virtually assured. In such cases, where the defence can cross-examine the witnesses who support the absent witness, there may be found to be sufficient factors to counter-balance the absence of the central witness so that the defendant is not deprived of a fair trial.

But in other cases the absence of the central witness may not be counter-balanced. There may be no corroborative oral testimony. There may be no evidence that the defence could call to contradict the absent witness. In such cases the fact-finder may be unable to impartially assess the reliability of the absent witness, there being no one for the defence to cross-examine on the central issues.

The rule against hearsay, the exceptions to that rule, and the rule excluding evidence when its probative value is outweighed by the risk of improper prejudice to the defence, are the means by which the common law has endeavoured to ensure the fairness of trials when witnesses are not available for cross-examination. Often these rules have become statutory.

Over the last few years a storm gathered in Europe over this. The European Court of Human Rights had developed a rule that a conviction could not be based on the evidence of a witness who could not be cross-examined if the evidence of that witness was central to the prosecution case in the sense of being the sole evidence against the defendant or of being decisive evidence against him: Unterpertinger v Austria judgment, 24 November 1986, § 33, Series A no. 110. The UK Supreme Court criticised this rule in R v Horncastle [2009] UKSC 14 (noted here as an update to the entry on Al-Khawaja and Tahery v R [2009] ECHR 110, 27 January 2009), and only the most obtuse reader would fail to see that if the Grand Chamber did not allow the UK courts to continue to apply the discretionary approach rather than the Strasbourg rule, continued participation of the UK in European criminal law would be unlikely.

So inevitably Strasbourg yielded and departed from its rule. On appeal from the Chamber decision in Al-Khawaja and Tahery, the Grand Chamber held 15-2 that the rule did not apply where the law of a State contained sufficient safeguards: [2011] ECHR 2127 (15 December 2011).

The majority held that the underlying principle is that the defendant in a criminal trial should have an effective opportunity to challenge the evidence against him (127). The question was whether there were sufficient safeguards to secure the defendant's right to a fair trial (130).

"[142] ... the defendant must not be placed in the position where he is effectively deprived of a real chance of defending himself by being unable to challenge the case against him. Trial proceedings must ensure that a defendant’s Article 6 rights are not unacceptably restricted and that he or she remains able to participate effectively in the proceedings. ... The Court’s assessment of whether a criminal trial has been fair cannot depend solely on whether the evidence against the accused appears prima facie to be reliable, if there are no means of challenging that evidence once it is admitted."

The phrase "not unacceptably restricted" is a bit alarming at first blush, suggesting perhaps that sometimes a restriction on the right to a fair trial will be acceptable. But this is not what was meant. The article 6 rights include subsidiary rights to the right to a fair trial, and restrictions on those have always been tolerated when necessary as long as they do not compromise the defendant's absolute right to a fair trial.

So, where there are restrictions, there must be adequate safeguards (145):

"Also, in cases concerning the withholding of evidence from the defence in order to protect police sources, the Court has left it to the domestic courts to decide whether the rights of the defence should cede to the public interest and has confined itself to verifying whether the procedures followed by the judicial authorities sufficiently counterbalance the limitations on the defence with appropriate safeguards. The fact that certain evidence was not made available to the defence was not considered automatically to lead to a violation of Article 6 § 1 (see, for example,Rowe and Davis v. the United Kingdom [GC], no. 28901/95, ECHR 2000 II). Similarly, in the case of Salduz, cited above, § 50, the Court reiterated that the right to legal assistance, set out in Article 6 § 3 (c) was one element, amongst others, of the concept of a fair trial in criminal proceedings contained in Article 6 § 1."

These safeguards must "counterbalance" the limitations on the defence (147):

"... The question in each case is whether there are sufficient counterbalancing factors in place, including measures that permit a fair and proper assessment of the reliability of that evidence to take place. This would permit a conviction to be based on such evidence only if it is sufficiently reliable given its importance in the case."

So when the majority speak of balancing the interests of the defence, the victim, witnesses and the public interest (146) as an approach to the overall fairness of the proceedings, that is a compendious way of referring to a two-stage assessment: first the balancing of competing interests in relation to subsidiary rights, and second the assessment of the effect of that balancing on the defendant's right to a fair trial.

The partly dissenting judgment of Sajo and Karakas JJ views the majority's counterbalancing approach as uncertain and inadequate protection of a defendant's rights, diminishing the value of human rights in Europe. That may be a little exaggerated, as there can be no doubt that the majority would agree with Sajo and Karakas JJ's dictum:

"While we understand the nature of the challenges faced by the prosecution when key witnesses die or refuse to appear at trial out of genuine fear, the protections guaranteed by Article 6 speak only to the rights of the defence, not to the plight of witnesses or the prosecution. The task of this Court is to protect the accused precisely when the Government limit rights under the Convention in order to bolster the State’s own position at trial. Counterbalancing procedures may, when strictly necessary, allow the Government flexibility in satisfying the demands of Article 6 § 3 (d). Our evolving application of the sole or decisive test, however, shows that this exception to the general requirement of confrontation is not itself without limits in principle. In the end, it is the job of the Government to support their case with non-hearsay corroborating evidence. Failure to do so leaves the Government open to serious questions about the adequacy of their procedures and violates the State’s obligations under Article 6 § 1 in conjunction with Article 6 § 3 (d)."

And their concluding quotation was from a New Zealand case, R v Hughes [1986] 2 NZLR 129 (CA) at 148-149:

"We would be on a slippery slope as a society if on a supposed balancing of the interests of the State against those of the individual accused the Courts were by judicial rule to allow limitations on the defence in raising matters properly relevant to an issue in the trial. Today the claim is that the name of the witness need not be given: tomorrow, and by the same logic, it will be that the risk of physical identification of the witness must be eliminated in the interests of justice in the detection and prosecution of crime, either by allowing the witness to testify with anonymity, for example from behind a screen, in which case his demeanour could not be observed, or by removing the accused from the Court, or both. The right to confront an adverse witness is basic to any civilised notion of a fair trial. That must include the right for the defence to ascertain the true identity of an accuser where questions of credibility are in issue."

Although statute has permitted the limitation of the right of a defendant to know the identity of a witness in certain limited circumstances, the right to a fair trial remains absolute in New Zealand, as no doubt it does in the United Kingdom.

Beyond the bounds of legal pragmatism

2011-12-18T05:40:00.003+13:00

When an orthodox application of the criteria for criminal responsibility does not meet the requirements of public policy, the law must change. When it is left to judges to make the change, existing institutions or concepts are likely to be adapted to meet social requirements.

In R v Gnango [2011] UKSC 59 (14 December 2011) Lord Kerr dissented in his orthodox application of the principles of party liability. He held that neither primary liability as principal offender nor secondary liability either as an aider, abettor, counsellor or procurer, or by reason of extended secondary liability (the sort of common enterprise-gone-wrong that in this case all judges agreed to call parasitic accessory liability) applied to the facts.

The facts were simple and are found in the statement of the question of law that arose in this case:

"If (1) D1 and D2 voluntarily engage in fighting each other, each intending to kill or cause grievous bodily harm to the other and each foreseeing that the other has the reciprocal intention, and if (2) D1 mistakenly kills V in the course of the fight, in what circumstances, if any, is D2 guilty of the offence of murdering V?"

It was a gunfight. There was no room for extended secondary liability here because any agreement that D2 may have had with D1 could not sensibly include agreement that D1 should shoot at him.

So D2 could only be guilty if he was a principal or if he aided, abetted, counselled or procured D1 in the killing of V who was an innocent by-stander. It should be obvious that he was not a principal, as he did not actually commit the murder himself. This was not obvious to Lords Brown and Clarke, and neither but to a lesser extent to Lords Phillips, Judge and Wilson. But they were engaged in extending the law for policy reasons.

The difficulty with orthodox secondary liability was that in this case the jury had not been invited to consider whether there was an agreement that D2 would be shot at, so even if this absurd possibility were a potential basis for liability it was not relevant to this appeal.

D2 could not have aided (etc) D1 in the killing of V unless he had helped (etc) by agreeing to be shot at.

Lord Kerr was correct in orthodox terms to conclude that there was no basis in the circumstances of this appeal to hold D2 liable for the murder of V.

That conclusion was not good enough for the other judges.

Lord Phillips and Lord Judge, with Lord Wilson agreeing, took the extremely pragmatic approach of saying it doesn't matter whether D2 was a principal or a secondary party, he and D1 both acted dangerously in a public place and each should be held accountable for V's death. Either could have killed someone and it was just fortuitous that the person who fired the fatal shot was D1. These judges, and Lord Dyson, preferred the secondary liability route to responsibility but they agreed with Lords Brown and Clarke that principal liability could also be used as the basis for liability.

Nor does the jury have to agree on the basis for liability: it is the conclusion as to guilt that requires agreement, not the route to that conclusion (63).

Well, you can't just pluck someone out of an unruly mob and say this person could easliy have been the one who caused the relevant harm so he should be held responsible for it even if it is known that he didn't actually do it himself. Nor can you pretend that he intentionally assisted or encouraged the commission of an offence when there is no evidence he meant to help or encourage its commission. Yes, the law must further the interests of the community, but there must be a rational, formalist, basis for attributing responsibility for crime. Otherwise we will have a society in which judges can simply say we shouldn't let this person off so we will hold him liable.

The strength of vagueness

2011-12-08T20:14:00.011+13:00

Two vague but fundamental concepts

The first vague concept: abuse of process

Complicity by Australian officials in the unlawful deportation of the defendant (appellant) to Australia led to subsequent criminal proceedings against the defendant in Australia being stayed as an abuse of process in Moti v R [2011] HCA 50 (7 December 2011).

Abuse of process is open-ended, not to be confined to rigid categories of official misconduct (60):

" ... the forms of expression adopted in the decided cases must be understood in the context of the particular facts of each case. None should be read as attempting to chart the boundaries of abuse of process. None should be read as attempting to define exhaustively the circumstances of removal of an accused to this country that warrant exercise of the power to stay criminal proceedings against that person or as giving some exhaustive dictionary of words by one or more of which executive action must be described before proceedings should be stayed. None should be read as confining attention to whether any act of an Australian Government official constituted participation in criminal wrongdoing, whether as an aider and abettor or as someone knowingly concerned in the wrongdoing. And the use of words like "connivance", "collusion" and "participation" should not be permitted to confine attention in that way. All should be understood as proceeding from recognition of the basic proposition that the end of criminal prosecution does not justify the adoption of any and every means for securing the presence of the accused. And in this case, as in others, the focus of attention must fall upon what Australian officials did or did not do."

Recognition of abuse of process is a response to the policy of even-handed justice and the maintenance of public confidence in judicial process.

"57. ... two fundamental policy considerations affect abuse of process in criminal proceedings. First, "the public interest in the administration of justice requires that the court protect its ability to function as a court of law by ensuring that its processes are used fairly by State and citizen alike" [Williams v Spautz [1992] HCA 34; (1992) 174 CLR 509 at 520]. Second, "unless the court protects its ability so to function in that way, its failure will lead to an erosion of public confidence by reason of concern that the court's processes may lend themselves to oppression and injustice" [[1992] HCA 34; (1992) 174 CLR 509 at 520]. Public confidence in this context refers to the trust reposed constitutionally in the courts to protect the integrity and fairness of their processes. The concept of abuse of process extends to a use of the courts' processes in a way that is inconsistent with those fundamental requirements."

Here the official misconduct was in summary (63):

"...First, Australian officials (both in Honiara and in Canberra) knew that the senior representative of Australia in Honiara at the time (the Acting High Commissioner) was of opinion that the appellant's deportation was not lawful. Second, the Acting High Commissioner's opinion was obviously right. Third, despite the expression of this opinion, and its obviously being right, Australian officials facilitated the unlawful deportation of the appellant by supplying a travel document relating to him (and travel documents for those who would accompany him) at a time when it was known that the documents would be used to effect the unlawful deportation. That is, Australian officials supplied the relevant documents in time to be used, with knowledge that they would be used, to deport the appellant before the time for deporting him had arrived."

The majority, French CJ, Gummow, Hayne, Crennan, Kiefel and Bell JJ, held that proceedings on the indictment should be permanently stayed.

Heydon J delivered an interesting dissent, focused on difficulties arising from the vague concepts concerning abuse of process and its lack of definition. Among the points he makes is the availability of alternative, disciplinary, responses to official misconduct instead of giving a person who may be guilty of serious offending immunity from conviction.

There are also some observations in this case on payment of prosecution witnesses, which was another ground of this appeal but which did not need to be considered in detail as no impropriety in that regard was held, unanimously, to have occurred.

The second vague concept: miscarriage of justice

In Handlen v R; Paddison v R [2011] HCA 51 (8 December 2011) the High Court held that the proviso could not be applied where a trial had proceeded on a mistaken appreciation of how participation in the offending could be proved. The requirements for secondary liability, namely that each appellant had intentionally aided, abetted, incited, counselled or procured the commission of the offence, should have been applied. (An alternative form of secondary liability was not relevant in this case.) But the trial proceeded wrongly on the basis that proof of membership of a joint criminal enterprise would be sufficient if commission of the relevant offence was part of that enterprise. The error is that not every member of such an enterprise is necessarily a party to every offence committed by members of the enterprise. This was overlooked by all counsel and by the trial judge. The Court of Appeal of the Supreme Court of Queensland had recognised the error but had applied the proviso because it was satisfied that the appellants were guilty, and there had not been a departure from the fundamental requirement of a trial according to law.

"47. As this Court explained in Weiss v The Queen, there is no single universally applicable description of what constitutes a "substantial miscarriage of justice" [[2005] HCA 81; (2005) 224 CLR 300 at 317]. The appellants were convicted of serious criminal offences ... following a trial at which the prosecution case was conducted, and left to the jury, on a basis for which the law did not provide. The conduct of the trial on this basis conferred an evidentiary advantage on the prosecution, leading to the admission of evidence to prove the existence and scope of the group exercise. Ultimately, the issue posed for the jury was whether the prosecution had proved that the appellants were parties to the group exercise when this was irrelevant to proof of their complicity in Reed's offences. The verdicts on the importation counts reflect the jury's satisfaction that each appellant was a party to the group exercise but it does not follow that the jury must have been satisfied of the facts necessary to establish the appellants' guilt of the importation offences in the only way for which the law allowed. It was not open to the Court of Appeal to apply the proviso in the circumstances of these appeals."

The majority ordered a new trial, Heydon J dissented and would have dismissed the appeals. He analysed the evidence and found guilt proved regardless of how the trial had been conducted. He did not see the defects as fundamental. For the majority, regardless of the strength of the evidence the trial had been such a departure from what was in accordance with the law that, in effect, the right to a fair trial was the dominant consideration.

Vague concepts can still be useful in the law. Reasonableness, fairness, interests of justice, the public interest, the weighing of values underlying rights, do not need to be defined as if they were mathematical concepts. Numbers too, when used in measurements, involve margins of error and require probabilistic reasoning. These areas of vagueness are opportunities for the exercise of judgment. Complaints about vagueness are like the formalists' complaints about pragmatism.

An unruly heckler at the back of the room might cry out that Heydon J had, in the first of these appeals, been too much the formalist, while in the second he had been too much the pragmatist.

Equality before the law, parity of sentence

2011-12-06T15:43:00.003+13:00

Some general points on disparity of sentence can be gleaned from Green v R; Quinn v R [2011] HCA 49 (6 December 2011). The case needs to be read in its statutory context which includes a constraint on prosecution appeals against sentence. But aside from that,

An appeal by an offender on the basis that his sentence was excessive by comparison to that imposed on a co-offender may be allowed to avoid disparity, even if the result is an inadequate sentence, as long as the result is not an affront to the administration of justice (French CJ, Crennan and Kiefel JJ at 33).
A prosecution appeal against sentences imposed on some co-offenders should not give rise to a disparity with more lenient but un-appealed sentences imposed on other co-offenders (French CJ, Crennan and Kiefel JJ at 37).
An appeal court should not introduce procedural unfairness by basing its judgment on a perceived defect in the decision of the court below when on the hearing of the appeal the defect was not mentioned and was not the subject of argument (French CJ, Crennan and Kiefel JJ at 76, 80).
Intermediate courts of appeal should only overrule their own decisions infrequently and in exceptional circumstances, when the earlier decisions are manifestly wrong and not based on principle worked out in clear lines of useful authority (Heydon J dissenting in the result).
Parity must not be conflated with proportionality, because the starting point is the appropriate sentence for the particular offence. Different offending may justify different sentences which should not be criticised as being disparate (Bell J dissenting, Heydon J agreeing, at 125).

Prosecution appeals may not be allowed if the result would be disruption to rehabilitation, as the benefit of guidance to other courts may come at too high a cost in terms of justice to the individual (French CJ, Crennan and Kiefel JJ at 43).

Obviousness and obfuscation

2011-11-24T21:01:00.002+13:00

Civil proof of offending

It should be obvious that proving something to the civil standard does not undermine failure to prove it to the criminal standard.

Blindingly obvious though this may be, it has troubled the Strasbourg judges. The UKSC was briefly troubled by it (R v Briggs-Price, noted here 2 May 2009), but more recently it was not: Gale v Serious Organised Crime Agency [2011] UKSC 49 (26 October 2011).

Again in Gale the context was civil proceedings for the recovery of property to a value equivalent to the proceeds of serious criminal offending. The judge had applied the civil standard of proof to the issue of the commission of such offences. The Supreme Court unanimously upheld that approach.

There was some delicate treatment of Briggs-Price, and what was the minority view there was now unanimously approved: 47-54. This was achieved by admirably obscure reasoning, perhaps inspired the confusing nature of the Strasbourg jurisprudence.

The presumption of innocence, and the finality of acquittals, are not compromised where in civil proceedings for the recovery of the proceeds of crime the court is satisfied on the balance of probabilities that criminal offending had occurred.

Waiver of the right to legal advice

Another thing that you would have thought was obvious is that a person can waive the right to legal advice without having to receive legal advice about waiver and its consequences.

This point had to be decided in McGowan (Procurator Fiscal, Edinburgh) v B (Scotland) [2011] UKSC 54 (23 November 2011).

Difficulties concerning the effectiveness of waiver can arise from the different rights that may be waived and from whether the alleged waiver was express or implied. But in all cases, waiver must be shown to have been "voluntary, informed and unequivocal" (Lord Hope at 17). "Informed" waiver will not exist if there is reason to believe the defendant had not understood the right that was being waived (36, 38, 44), but a defendant can understand without legal advice (46). The court will, however, proceed cautiously where the defendant is of low intelligence or is vulnerable for other reasons (47).

Further (49), if a defendant declines legal advice, the police should mention that such advice can be obtained by telephone, and if the defendant still declines, the police should ask why and record the answer. That, at least, would be best practice although not an absolute rule (50) [and see also Jude v HM Advocate (Scotland) [2011] UKSC 46 (23 November 2011)]. It could also be wise to advise the defendant that legal advice could be given without cost to him (51).

There was a time when courts took a more tight-sphinctered approach to what was adequate advice of the right to consult a lawyer. In R v Piper [1995] 3 NZLR 540 (CA) for example, it was thought to be unnecessary to inform the defendant that the consultation would occur without the police overhearing it. But now we have the Chief Justice's practice direction (issued under s 30 of the Evidence Act 2006) which requires privacy to be mentioned. It also requires mention of the availability of free advice.

Another point I should make about waiver is this. Waiver is a more sensible requirement to use than is consent. The issue should not be whether the defendant "consented" to police questioning, but rather whether he waived his right to legal advice and to silence. Similarly, in the context of searches, the issue should not be whether the defendant "consented" to a search, but whether he waived his right not to be searched. As anyone can see, it is incongruous to think that a defendant in possession of incriminating material would freely consent to being searched by the police, but less so to think that he might waive his right not to be searched.

Conviction appeals – burdens and risks

2011-11-22T11:55:00.003+13:00

How sensitive should an appellate court be to the risk that an error at trial was sufficient to require the quashing of a conviction and the ordering of a retrial?

The proviso has been the traditional legislative criterion, and its formulation has usually used the concept of a substantial miscarriage of justice. That is, an error at trial would not require the quashing of a conviction if it was not a substantial miscarriage of justice.

There was therefore a distinction between miscarriages of justice that were not substantial, and those that were. The former could be termed harmless errors, and the latter errors that may have affected the result of the trial.

But what does "may have affected" mean for this latter group?

In R v Sarrazin 2011 SCC 54 the majority declined to draw distinctions between various grades of risk of affect on the outcome. At [27] Binnie J said:

"It seems to me that there is a significant difference between an error of law that can be confidently dismissed as "harmless", and an assessment that while the error is prejudicial, it is not (in the after-the-fact view of the appellate court), so prejudicial as to have affected the outcome. Such delicate assessments are foreign to the purpose of the curative proviso which is to avoid a retrial that would be superfluous and unnecessary but to set high the Crown's burden of establishing those prerequisites. The same can be said for the other branch of the curative proviso. As a result, the burden of the Crown to demonstrate an "overwhelming" case or a "harmless" error of law should not be relaxed."

What is interesting about this for those of us who are about to come under a reformed legislative regime is this. The burden has shifted from the Crown to the appellant on the issue of whether an error at trial was harmless. Formerly the Crown had to satisfy the appellate court that the error was harmless, now the appellant will have to satisfy the appellate court that it was not.

Only one submission to the select committee on the criminal procedure bill mentioned this point.

Section 232 of our Criminal Procedure Act 2011 materially avoids any distinction between substantial miscarriages of justice and those which are not substantial. The appeal court must allow an appeal if it is satisfied that a miscarriage of justice had occurred, and that means that there is a real risk that the outcome of the trial was affected by the error. There are other aspects, but these are the ones directly in point here.

How will an appellate court interpret "real risk"? Is there to be a gradation of risks, of the sort that the Supreme Court of Canada majority found unacceptable? Or is a real risk anything more than a harmless error or one which occurred in any case other than one where the prosecution's case was overwhelming?

As the dissent of Deschamps, Rothstein and Cromwell JJ in Sarrazin illustrates, opinions can differ over whether there was a reasonable possibility that an error could have affected the verdict.

In the circumstances of that appeal, the majority's approach, which was that failure by the judge to put to the jury the alternative of an attempt amounted to a substantial miscarriage of justice, is preferable to the minority's speculation on how the jury was thinking. Under the New Zealand reformed law, the majority's reasoning would lead to a conclusion that the trial had been unfair because it was not according to law. That is an alternative ground for finding a miscarriage of justice under s 232.

When our hair was black

2011-11-15T12:29:00.003+13:00

In the course of considering the alleged naivety of Jonathan Sumption (UKSC blog 9 November 2011) I reached for my copy of "Equality" by Joseph and Sumption, which when it was hot off the press I reviewed for the University of Auckland students' newspaper in 1979.

Those were the days when Sumption's hair was black, as indeed was mine.

The book is an argument against redistribution of wealth by coercion. The UK was then in the grip of rampant taxation of the rich. The authors' style has a formidable clarity that is only available to the very brilliant.

But although I now forget what I said about the book at the time, it seems to me that insistence on logical rigor on matters of social policy has the same weakness I mentioned here on 3 November 2011. Relatively immature cognition favours logic over the weighing of values that should underlie policy reasoning.

Sumption has delayed taking his position on the UKSC bench so that he can work on an important case. He will receive a spectacular fee for that. In 1979 he and Joseph said (p 69):

"In practice, people will not work beyond the point at which the burden of the extra work exceeds the pleasure of the extra money."

Given that the work of a lawyer is generally not particularly burdensome, one can see how the balance may fall.

But people do work for reasons other than "the pleasure of the extra money." There are some burdensome areas of criminal law practice, as anyone who defends the children of the poor will realise. Legal aid returns can be insignificant compared to the burden of the work.

There is naivety in Joseph and Sumption's book. It seeks to shield its glib assumptions behind an insistence that only logic can rebut its argument. Dworkin's hedgehog has the better view. Compare the starkly different views of what is the business of the State. Joseph and Sumption (67):

"It is no business of the State to decide in advance what kind of society it ought to be governing and then to manipulate or frustrate known desires in such a way as to bring such a society into being. It must take its subjects as it finds them. It is means, not ends, which are the proper concerns of governments. It is their proper function to provide a framework of laws and institutions within which men can pursue ambitions of their own devising, and thereby create whatever society is the natural outcome of the infinite variety of human tastes and personalities."

Dworkin (352-354):

"Coercive government is legitimate only when it attempts to show equal concern for the fates of all those it governs and full respect for their personal responsibility for their own lives.

"... [E]verything the government of a large political community does – or does not do – affects the resources that each of its citizens has and the success he achieves. ... [T]he impact of ... personal variables on his actual resources and opportunities must in every case also depend on the political variables: on the laws and policies of the communities in which he lives or works.

"... [W]e cannot avoid the challenge of equal concern by arguing that the resources an individual has depend on his choices, not the government's choices. They depend on both."

Dworkin's conception of the purpose of government is more nuanced and more realistic. Just to be even-handed, I should confess that around the same time as Joseph and Sumption were writing their short book I was writing an essay for a Masters tutorial on the hallmark requirement for the admissibility of similar fact evidence, in which I asserted that absence of a hallmark can itself be a hallmark. Even now my toes curl and I blush. True it may be that in some contexts the offender who has no hallmark may thereby be distinguished from other suspects, but the point is that absence of a hallmark has no probative value. How young I was, how innocent.

Informer privilege

2011-11-13T20:20:00.001+13:00

Both the state and a police informer may have an interest in keeping confidential the identity of the informer. But such confidentiality is subject to a defendant's right to a fair trial. A defendant may make his own inquiries into the identity of an informer, but this must be done with care to avoid conduct that obstructs the course of justice.

The line may be crossed, for example, if the defendant tries to obstruct prosecution proceedings by suggesting that he will disclose an informer's identity. In R v Barros
2011 SCC 51 (26 October 2011) that was alleged.

It is in the public interest that false claims of informer privilege are disallowed. The person may have been a participant in the offending to an extent that protection of confidentiality is not warranted. He may have instigated the offending. Both the defendant, and when the case gets to trial, the judge, have an interest in ensuring that claims to confidentiality and privilege are properly based.

Where there is a proper basis for informer privilege it is granted - without the balancing of competing interests that may be undertaken in other areas such as confidentiality relating to journalists' sources – but only if the defendant's right to a fair trial would not be compromised [33-35].

The Canadian approach seems consistent with that in New Zealand: Evidence Act 2006, ss 53, 64, 67.

NZSCBlog

2011-11-03T10:34:00.013+13:00

Congrats to the University of Auckland Law School on starting the New Zealand Supreme Court Blog. I enjoyed the analysis of Elias CJ's discussion of what academics call the third source of governmental power in Hamed v R.

I wonder if judges anonymously create their own blog sites and comment on each other's judgments. Perhaps they could adopt noms de keyboard and post rebuttals of critical assessments of their work.

I don't allow comments because my early experience was that they are just irritating, whether from judges or not.

Anyway, the new blog is off to a promising start, so I have added a link to it. This does not mean that I agree with its criticism of the CJ's judgment. It is possible that law schools still place emphasis on technical legal reasoning - identification of the ratio of a decision, recognition of precedents, distinguishing or applying other cases - which is formalist, at the expense of policy reasoning which is essentially pragmatic. The Supreme Court is a policy court. It is not bound by decisions of other courts, and is probably not even bound by its own decisions. It is concerned with finding the best solution to legal problems in the light of the judicially-perceived policy that best serves the current needs of our society. If it gets that wrong, the legislature can intervene.

Posner, in "How Judges Think" at 220-221 is particularly good on this topic, as are generally his chapters 7 and 8.

So, what sort of society do we want to live in? One where the police can approach people at random and ask if they may search their bags? People who think that the executive can do anything that is not specifically proscribed would have to accept that sort of society. Or do we prefer a society in which the police can only put questions to people when they have lawful authority to do so? I think our desire for freedom from executive interference supports this alternative. As it happened, the CJ did not support her conclusion with policy reasoning other than in a broad sense by reference to the significance of the Bill of Rights. Her formalist approach to what was essentially a question of pragmatism might reflect the schoolroom (but I prefer to doubt that), and has drawn formalist criticism. Both her approach and the criticism have mis-fired here.

I should add, while I am in this mood to be helpful, that a prime illustration of formalism being developed to an academic extreme and then discarded in favour of pragmatism is Field v R, discussed here on 27 October 2011.

What’s the word for ...?

2011-11-01T15:40:00.004+13:00

Procedural fairness aims at facilitating substantive fairness. Sometimes procedural rights are so close to the right to a fair trial that there is no room to argue that notwithstanding breach of procedural fairness there was a fair trial. An argument along these lines was rejected in Abdula v R [2011] NZSC 130 (1 November 2011).

The Supreme Court in this case laid down procedural guidelines for the use of interpreters in trials in the future [60]. Those procedures had not been followed in this case. At [44] the Court said:

"The consequence of a breach of the right to the assistance of an interpreter under s 24(g) [of the New Zealand Bill of Rights Act 1990] is a breach of the right to a fair trial under s 25(a). We do not accept as correct the Crown's submission that, once a breach of the right to assistance of an interpreter is shown, the court must exercise a judgment as to whether the accused nevertheless had a fair trial. Rather, a properly established breach – the failure to meet the required standard – necessarily makes the trial unfair. In those circumstances, it is axiomatic that a substantial miscarriage of justice will have occurred. There can accordingly be no resort to the proviso under s 385(1) of the Crimes Act 1961.[Footnote: R v Condon [2006] NZSC 62, [2007] 1 NZLR 300 at [77]]"

In my view, this question of "failure to reach the required standard" marks the boundary between procedural unfairness and substantive unfairness. While the Court seems to be denying any distinction between the right to assistance of an interpreter and the right to a fair trial, it can only remove the distinction by employing the "required standard" concept. Really, the standard required of interpreters is that of avoiding trial unfairness.

Another interesting feature of this case is that the appellant has succeeded in establishing a rigorous procedure for future cases but not his own. The question for the Court then became, notwithstanding the departures in this case from the new standard was there any defect that resulted in an unfair trial here? The Court does here exactly what the Crown had "unsuccessfully" submitted it should do at [44] quoted above. But it does that by using the "required standard" analysis.

Failure of the appellant here was not surprising, because his counsel could not demonstrate any instance where failure of accurate interpretation impeded the conduct of the defence at trial [59]. Of course it would be difficult for counsel to do that here, as the words used by the interpreter were not known. On the facts, however, the defendant had at trial expressed no concern over the adequacy of the interpretation – but then, how could he know what was adequate?

In appeals like this (rape) there might be a public perception that the Court would do everything it could to avoid a retrial. Fortunately for the public perception of the administration of justice there seems to be sufficiently careful scrutiny of the circumstances in this judgment to put such concerns to rest.

Voices of reason

2011-10-27T16:33:00.001+13:00

Thanks are due to UKSCBlog for drawing our attention to video interviews with some of the Law Lords, published by the Guardian.

We simply don’t do that

2011-10-27T15:30:00.001+13:00

Acceptance of a bribe can occur after the performance of an act beneficial to the payer and without any expectation of payment when the act was done: Field v R [2011] NZSC 129 (27 October 2011).

This is because [59] "it is simply wrong for an official to accept money or like benefits in return for what has been done in an official capacity."

And [61] an environment would otherwise be created where

"(a) an official who receives such benefits will come to expect similar benefits in the future and is likely to act accordingly; and

(b) members of the public who know about, or suspect, what has happened will come to believe that unless they too provide such benefits, they will not receive dispassionate consideration and, if prepared to provide such benefits, will receive corresponding advantages."

Any expressions to the contrary as might be detected in previous cases or law commission reports didn't matter.

"[62] ... there is a fundamental inconsistency between the performance of official functions and the acceptance of private rewards for doing so. In large measure this is a corollary of the first reason in the paragraph above. But associated with this are related expectations about the way in which those in official positions, including Members of Parliament, can be expected to act. This consideration is also illustrated by the facts of the present case."

But there is room for courtesies:

"[65] ... if there is an exception, it must address the extent of the gift and the particular context in which it occurs. We consider, therefore, that there must be a de minimis defence in relation to gifts of token value which are just part of the usual courtesies of life."

As to the element that a bribe be accepted "corruptly",

"[66] ... In part it captures the requirement for a defendant to have acted knowingly. In the present case, this requirement required the Crown to establish that the appellant knew that the services he received were provided in connection with the immigration assistance he gave, meaning that he knowingly engaged in conduct which the legislature regards as corrupt. As well, it is the presence in s 103(1) (and like provisions) of the word "corruptly" which permits the de minimis exception to liability which we accept exists."

Deflecting the jury from its fundamental task

2011-10-27T12:21:00.002+13:00

"The instructions which a trial judge gives to a jury must not, whether by way of legal direction or judicial comment on the facts, deflect the jury from its fundamental task of deciding whether the prosecution has proved the elements of the charged offence beyond reasonable doubt."

Hargraves v The Queen; Stoten v The Queen [2011] HCA 44 (26 October 2011) at [45] per French CJ, Gummow, Hayne, Crennan, Kiefel and Bell JJ.

It was a potential breach of this for the judge to direct the jury that in assessing the defendant's evidence they could take into account his interest in the verdict.

Other examples of possible deflection of the jury from their task mentioned here are comment on the defendant's failure to give evidence [43] and asking the defendant in cross-examination why the complainant is lying [44].

Deflection of the jury from its fundamental task is a miscarriage of justice. Whether deflection has occurred in a particular case must be assessed in the context of the whole of the summing up and the circumstances of the case. As it turned out here, there was no miscarriage, because the jury would not have understood the judge to be saying that the evidence of a defendant must be scrutinised more carefully than that of other witnesses.

Omission? What omission?

2011-10-27T11:32:00.002+13:00

For discussion of liability for omissions under the law of the Commonwealth of Australia, see Commonwealth Director of Public Prosecutions v Poniatowska [2011] HCA 43 (26 October 2011).

The majority held that legislation had failed to specify what act that was omitted was necessary for the actus reus of an offence of engaging in conduct that resulted in the obtaining a financial advantage that the defendant knew or believed he was not eligible to receive. Here, conduct is defined as including an omission to perform an act, and an omission is only a physical element of an offence if the law creating the offence makes it so.

The legislature, anticipating this glitch, introduced a new section (s 66A) into the relevant legislation. This enabled the requiring of a person to do a specific act in the relevant circumstances, namely to give information. Omission to do that specified act would apparently be sufficient for this element of the actus reus.

Heydon J, dissenting, criticised the increasing vagueness of statutory criminal law. He referred to

" ... the proposition advanced by the responsible Minister, when the Code was introduced into the House of Representatives in 1995, that it would reflect Benthamite ideals of certainty in the criminal law [footnote: Australia, House of Representatives, Parliamentary Debates (Hansard), 1 March 1995 at 1331]. One does not often encounter a more striking illustration of the vanity of human wishes. That is because very many parts of the Code, including the parts debated in this appeal, are inconsistent with those ideals. They represent a significant regression from the condition of Commonwealth, State and Territory criminal law as it was before 1995. That criminal litigation under the Code is conducted with any semblance of ordered justice is a tribute to the Australian legal profession, not to the Commonwealth legislature."

So, legislatures, sharpen your Act(s). Ho ho.

Some errors of law in judicial fact finding

2011-10-27T10:07:00.002+13:00

For a reminder of the kinds of things that can be errors of law arising out of a trial judge's treatment of the evidence, see R v J.M.H. 2011 SCC 45. The headnote summarises them from the judgment of the Court delivered by Cromwell J at [24] – [32]:

"The Crown's right of appeal from an acquittal of an indictable offence is limited to 'any ground of appeal that involves a question of law alone'. The jurisprudence currently recognizes at least four types of cases in which alleged mishandling of the evidence may constitute an error of law alone giving rise to a Crown appeal of an acquittal; this may not be an exhaustive list. First, it is an error of law to make a finding of fact for which there is no evidence. However, a conclusion that the trier of fact has a reasonable doubt is not a finding of fact for the purposes of this rule. Second, the legal effect of findings of fact or of undisputed facts may raise a question of law. Third, an assessment of the evidence based on a wrong legal principle is an error of law. Fourth, the trial judge's failure to consider all of the evidence in relation to the ultimate issue of guilt or innocence is an error of law, but this error will be found to have been committed only if the reasons demonstrate that this was not done. The trial judge's reasonable doubt did not have to be based on the evidence; it could arise from the absence of evidence or a simple failure of the evidence to persuade him to the requisite level of beyond reasonable doubt. It is only where that reasonable doubt is tainted by a legal error that appellate intervention in an acquittal is permitted."

That decision (maple) tree again

2011-10-27T09:20:00.002+13:00

If evidence was wrongfully obtained, what is the relevance to its admissibility that it could have been obtained lawfully?

Sometimes failure to use lawful means would aggravate the wrongfulness. Other times the lawful alternative would diminish the wrongfulness. When?

The Supreme Court of Canada got to grips with this in R v Côté 2011 SCC 46 (14 October 2011). The context for this sort of decision in Canada is R v Grant 2009 SCC 32, which I had some fun with here on 18 July 2009 for its complex model of how admissibility of improperly obtained evidence is to be decided. Grant was referred to recently by the Supreme Court of New Zealand in Hamed v R, discussed here on 19 September 2011.

So to the vital bit of Côté. The term "discoverability" means the ability to discover the evidence lawfully. Two "branches" of the Grant model have to be addressed: the seriousness of the misconduct, and its impact on the defendant Cromwell J delivering the joint judgment):

"[71] I turn to the first branch of the Grant test which is concerned with the seriousness of the Charter-infringing state conduct. If the police officers could have conducted the search legally but failed to turn their minds to obtaining a warrant or proceeded under the view that they could not have demonstrated to a judicial officer that they had reasonable and probable grounds, the seriousness of the state conduct is heightened. As in Buhay, a casual attitude towards, or a deliberate flouting of, Charter rights will generally aggravate the seriousness of the Charter-infringing state conduct. On the other hand, the facts that the police exhibited good faith and/or had a legitimate reason for not seeking prior judicial authorization of the search will likely lessen the seriousness of the Charter-infringing state conduct.

"[72] We come now to the effect of discoverability on the second branch of the Grant test — the impact on the Charter-protected interests of the accused. Section 8 of the Charter protects an individual's reasonable expectation of privacy. That reasonable expectation of privacy must take account of the fact that searches may occur when a judicial officer is satisfied that there are reasonable and probable grounds and authorizes the search before it is carried out. If the search could not have occurred legally, it is considerably more intrusive of the individual's reasonable expectation of privacy. On the other hand, the fact that the police could have demonstrated to a judicial officer that they had reasonable and probable grounds to believe that an offence had been committed and that there was evidence to be found at the place of the search will tend to lessen the impact of the illegal search on the accused's privacy and dignity interests protected by the Charter."

Nothing controversial there.

I still think the Canadian model in Grant is absurdly complex: who can visualise a 3-branch balancing exercise? The third branch is the public interest in admission of the evidence. It would be better to think of the first two as being one "branch", or arm of the balance, with a weight moving one way or the other along it according to the first two considerations.

In Grant the model was called a "decision tree". Draw it for us. I had a go, but couldn't say it would make comparison of cases easy.

Previous acquittals as propensity evidence

2011-10-21T15:00:00.002+13:00

In Fenemor v R [2011] NZSC 127, the Supreme Court declined to establish a rule excluding, as propensity evidence, evidence of facts on which the defendant had previously been acquitted ("acquittal evidence"). The Court held that in each case admissibility of acquittal evidence will depend on its qualifying under s 40(1) of the Evidence Act 2006 as propensity evidence and then on its surviving the weighing of probative value against risk of unfair prejudice required by s 43.

The Court declined to give examples of when unfairness might make such evidence inadmissible, beyond that mentioned in Degnan [2000] NZCA 321, [2001] 1 NZLR 280 (CA) of an alibi having been the basis for the earlier acquittal. It was preferable that the case law should develop over time as questions of unfairness are very case-specific.

A challenge addressed to the acquittal dimension of the propensity evidence must demonstrate a logical connection between the acquittal and the claimed unfairness.In Fenemor it was argued unsuccessfully that the defendant would have to give evidence if the evidence was ruled admissible and that this was unfair. The Court, upholding the reasoning of the Court of Appeal, held that he would be in the same position if the evidence had led to a conviction, or if no earlier charge had been brought, so there was no logical connection between the acquittal and the claimed unfairness. Similar reasoning applied to a submission that the prior acquittal evidence would lead the jury to reason wrongly. Nor was it correct to argue that it would be unfair to adduce the similar facts that the previous jury had rejected, because that jury had only seen "one frame of what was now known to be a bigger picture" [22].

Assessment of the probative value of the evidence in relation to the present charge is different from assessing its value as proof of the earlier charge, and a priori there is no basis for a general conclusion that acquittal evidence has different probative value from propensity evidence that has not led to any charge [23].

Fruit of the poisoned tree

2011-10-08T12:26:00.003+13:00

When may evidence obtained 'downstream' from improperly obtained evidence be admissible? By downstream I mean that the finding of the challenged evidence occurred as a consequence of the improper obtaining of the other evidence.

For example, if the defendant, under improper questioning, gives information to the police about a witness who could vouch for him, and the police consequently question that witness and obtain evidence incriminating the defendant, how should the court decide whether the incriminating evidence is admissible? Facts like this were considered in HM Advocate v P (Scotland) [2011] UKSC 44 (6 October 2011). This is a companion case to that considered in my note yesterday.

The position in domestic Scots law is that if the evidence could be led without reference to the improperly obtained evidence it would not be treated as inadmissible by reason of it having been found as a consequence of the improperly obtained evidence: Lord Hope at 17, citing Lawrie v Muir 1950 JC 19. Similarly, in England and Wales under s 76(4) and 78(1) of PACE 1978 all the circumstances must be considered and the consequential evidence is not invariably excluded: at 18.

As far as Strasbourg jurisprudence went, there was no definitive decision but guidance could be obtained from Gäfgen v Germany (2011) 52 ECHR 1 (noted here on 3 July 2008, Chamber, and Grand Chamber on 25 June 2010): Lord Hope at 22. No rule of automatic exclusion of such consequential evidence has been established 23.

The Supreme Court found some assistance from Canada: Thomson Newspapers Ltd v Canada (Director of Investigation and Research) [1990] 1 SCR 425, where the distinction was made between evidence created by impropriety, and evidence that may have gone undetected but for the impropriety but which nevertheless existed independently.

This was consistent with the conclusion Lord Brown reached 27:

" ... there is no absolute rule that the fruits of questioning of an accused without access to a lawyer must always be held to be a violation of his rights under article 6(1) and 6(3)(c) of the Convention. It is one thing if the impugned evidence was created by answers given in reply to such impermissible questioning. The leading of such evidence will be a breach of the accused's Convention rights unless there are compelling reasons to restrict the right of access: Cadder [v HM Advocate [2010] UKSC 43], para 55. It is another thing if the evidence existed independently of those answers, so that those answers do not have to be relied upon to show how it bears upon the question whether the accused is guilty of the offence with which he has been charged. So far as the accused's Convention rights are concerned, there is no rule that declares that evidence of that kind must always be held to be inadmissible. The question whether it should be admitted has to be tested, as in domestic law, by considering whether the accused's right to a fair trial would be violated by the leading of the evidence."

Lords Dyson, Kerr and Matthew Clarke agreed with Lord Hope, as did Lord Brown in a separate judgment. Lord Brown drew attention to how the admissibility balancing decision would be made in England and Wales under s 78(1) of PACE.

See also the attenuation approach in R v Wittwer (discussed here 6 June 2008), and occasions where a consequential link may be dispensed with but evidence nevertheless excluded: R v Ogertschnig (discussed here 26 October 2008). Improprieties may taint evidence without there being a consequential link, and as the present case shows, improprieties may be irrelevant notwithstanding such a link.

The right to legal advice

2011-10-07T20:34:00.005+13:00

When does a person who is questioned by the police have the right to legal advice?

There was a tussle over this in Ambrose v Harris, Procurator Fiscal, Oban (Scotland) [2011] UKSC 43 (6 October 2011), and it turned on whether the UKSC should merely keep pace with Strasbourg jurisprudence or whether it should do more. By doing more it would extend a rule excluding evidence beyond the extent currently recognised. The majority were of the conservative view: Lord Hope at 17-20, Lord Brown agreeing 73, Lord Dyson agreeing 88, 105, Lord Matthew Clarke agreeing 116. Lord Kerr dissented on this point, referring to the Ullah-type reticence 126 of the majority and to the duties of courts to resolve issues 129 [see R v Special Adjudicator, ex parte Ullah [2004] UKHL 26]. He also mentioned 126 the "characteristically stylish twist" given to Lord Bingham's oft-cited dictum in Ullah in Al-Skeini [2007] UKHL 26 by Lord Brown (and see my note on the dissent in this case in the Grand Chamber [2011] ECtHR 1093).

So that's settled: the UKSC follows Strasbourg jurisprudence and does not extend it. The relevant Strasbourg rule excludes all confessional statements made under detention in police stations before the suspect had an opportunity to obtain legal advice. Here there were, in addition to the settled approach, policy reasons for not extending this rule: Lord Hope at 15, 58, 60; Lord Brown at 78, 87; Lord Dyson at 99-105; Lord Matthew Clarke at 120. Strictly, I shouldn't say the rule "excludes" the evidence, because Strasbourg leaves admissibility to national courts, but the finding of a breach of the fair trial right through use of the evidence will inevitably lead to a ruling of exclusion to avoid that unfairness, so it comes down to the same thing.

In Ambrose incriminating answers to police questions had been given in three cases at times before detention in police stations and when the defendants had not been given an opportunity to obtain legal advice.

The three cases concerned respectively (Ambrose) roadside questioning before breath alcohol procedures were undertaken, (M) questions at the defendant's home aimed at obtaining admissions to a serious assault, and (G) the questioning of a handcuffed defendant during execution of a search warrant at his flat. The Art 6(3) rights apply to a person "charged", and this has been held to mean when the person's situation was substantially affected, when suspicion was being seriously investigated and the prosecution case was being compiled (Lord Brown at 62).

The Court unanimously held that although none of the statements were inadmissible by virtue of a rule, admission of G's statements would be a breach of his Convention rights because he was detained in coercive circumstances within the concept of "charged" in Art 6(3). The majority held there was no breach of Art 6 in admission of Ambrose and M's statements but that the admissibility issue should be referred back for determination because there was arguably an issue of fairness.

Lord Kerr, dissenting on Ambrose and M, held that admission of all the confessional statements would be in breach of an extended application of Art 6 because the police believed each defendant had committed an offence and the answers would be given in evidence, and in also in relation to G, he was in custody.

The Supreme Court referred, in addition to Strasbourg jurisprudence, to cases from Canada (R v Grant [2009] SCC 32, noted here on 18 July 2009 – Lord Brown calling its judgments "immensely long" (81)) – and the USA (Miranda v Arizona 384 US 436 (1966)), and of course to its own decision in Cadder v HM Advocate [2010] UKSC 43 (noted here 27 October 2010) concerning persons detained in a police station.

Just as people in Scotland may feel a little irked at having the UKSC decide points of their criminal law, so too – we might reasonably suspect – may the UKSC feel irked at having the Strasbourg Court decide points of UK law. Lord Brown at 86: "...whatever else one may say about the Strasbourg jurisprudence ...". Humpf. And in furtherance of that attitude there was a marvelous sneakiness at play here: G got the evidence excluded and so received the benefit of what was effectively an extension of the very rule the Court majority was professing not to be allowed to extend.

No matter what you say ...

2011-09-30T11:57:00.003+13:00

For a brief look at the requirements for establishing judicial bias, see Siemer v Heron [2011] NZSC 116. Orthodox response to a recusal application where the appellant relied on his own criticism of a judge as a basis for his claim of bias. Unsuccessful.

The NZSC on improperly obtained evidence

2011-09-19T19:05:00.004+12:00

At last Hamed v R [2011] NZSC 101 is online, although in redacted form. It does not answer the question that will occur to most people: is it the duty of the police (1) to detect and stop offending, (2) to bring offenders to court with admissible evidence, or both of those, or some compromise between those?

The Prime Minister has indicated today that he will get legislation passed "suspending" the Supreme Court's decision in Hamed. Whatever that means, it is designed to ensure that other cases where covert surveillance has been used do not collapse because of exclusion of evidence obtained in that way. If in those cases, why not in this one too, since retrospective effect is intended? In any event permanent law reform is on the way "after the election".

This underlines the fact that it is not the police who are to blame for this (see my comment yesterday) but rather it is the fault of those who are responsible for giving effect to the Law Commission's recommendations.

But here I am concerned with the aspect of the case that will be of enduring interest to lawyers. This is the Supreme Court's first in-depth analysis of s 30 of the Evidence Act 2006.

The relevant question here is the extent, if any, to which the Supreme Court alters the interpretation of s 30 established in Williams v R [2007] NZCA 52, [2007] 3 NZLR 207 (CA) (not currently available online).

Where Williams is cited in Hamed, that is done with approval except on one point on which Tipping J departed from it at 240 by rejecting the Williams approach to assessing the seriousness of the offending. McGrath J also thought (277) that the maximum penalties were the guide although they were not a complete basis for assessment of the seriousness of the offending. But those were minority views, and Williams remains authoritative on s 30.

The application in Hamed of the balancing factors mentioned in s 30 needs to be considered. Broadly, it is orthodox. Aside from the minority difference just mentioned, there is some comment on the relevance of the centrality of the evidence to the prosecution case, but this only concerns whether this is relevant as a separate unspecified factor (Blanchard J at 201, Gault J agreeing at 281) or as part of the quality of the evidence factor in s 30(3)(c) (McGrath J at 276), but Tipping J dissented saying centrality is not relevant (236).

In applying the balancing criteria there was the usual variation in judicial opinion. The absence of an alternative investigatory technique was thought by Elias CJ to increase the seriousness of the impropriety (73), Blanchard J (196) appears to include this as a factor favouring admission of the evidence (Gault J agreeing at 281), Tipping J (246) also thought this pointed towards admission of the evidence, although not strongly, and McGrath J (274) treated this factor as increasing the reasonableness of the police misconduct. So, 4-1 absence of an alternative investigatory technique favoured admission.

The deliberate nature of the breach of the defendants' rights was an aggravating factor: Elias CJ 73, Blanchard J 194, Tipping J 233-234, but dissenting on this point McGrath J 267 thought that because the law was only now clarified by this case the deliberate nature of the breach did not enhance the gravity of the impropriety. And on the same point Gault J 284 did not agree with Blanchard J and held that the intrusion on the defendants' rights was no more serious that it was in relation to searches pursuant to warrant. Again, but by a different 3-2, the deliberate nature of the breach of rights did weigh in favour of exclusion.

The Supreme Court of Canada got some favourable mention, particularly for some of its dicta in Grant (see my discussion of that case here on 19 July 2009, and here twice on 18 July 2009). Tipping J at 230 approved dicta on the desirability of taking the long view of the repute to the justice system as opposed to responding to the immediate public clamour for conviction. Blanchard J 187 noted that the decision is not just a balancing of impropriety against the need to convict, but rather it comes down to the need to avoid bringing the system of justice into disrepute. Elias CJ 58 made the same observation, after saying 57 "It would be wrong to treat the assessment of proportionality as being the same in all cases of impropriety" – by which I think she means the division between exclusion and admission of the evidence is not marked by a straight line (see my discussion of improperly obtained evidence).

So, all in all (carefully working through the judgments to find the majority on each point) this is an orthodox application of s 30, even when the seriousness of the offending is assessed at an enhanced level because of public safety considerations.

Search, surveillance and the Urewera case

2011-09-18T12:01:00.006+12:00

A newspaper report today has a commentator suggesting that confidence in the police will be reduced because of their handling of the investigation of what has come to be known as the Urewera terrorist case.

Until the Supreme Court decided the issue in a judgment not yet available on the usual web sites, R v Hamed [2011] NZSC 101, and which I have not yet seen, the law on whether search warrants could authorise surveillance was unclear. Differences among judges in this case reflected that lack of clarity.

As the New Zealand law Commission noted in its report "Search and Surveillance Powers" NZLC R97 2007, there are few references to surveillance powers in the statutes (see para 11.19 of the report). None of those are relevant to the Urewera case. The NZLC recommended that legislation should be formulated to clarify surveillance powers.

In the absence of a statutory or regulatory framework the courts have had to consider whether surveillance is a kind of search, and this has turned on the circumstances of each case. It was held to be not a search in a case which may still be subject to name suppression so I just give its neutral citation: [2010] NZCA 294, and also in another such case: [2010] NZCA 287. Sometimes surveillance from a neighbouring property by consent of the neighbour has been held to be lawful: R v Beri (2003) 20 CRNZ 170 (CA), and R v Robertson [2009] NZCA 154. And sometimes surveillance has been held to be a search: R v Gardiner (1997) 15 CRNZ 131 (CA). In other cases the courts have held that it was unnecessary to decide whether surveillance is a search because the issue of the admissibility of the evidence turned on the balancing exercise used at common law and which is now enacted in s 30 of the Evidence Act 2006: R v Fraser [1997] 2 NZLR 442, R v Peita (1999) 17 CRNZ 407.

The actions of an undercover officer approaching the defendant's door and secretly making a video recording of the ensuing events has not been held to be a search: R v Smith (Malcolm) [2000] 3 NZLR 656 (CA), although in the possibly suppressed case mentioned above, [2010] NZCA 287 the Court of Appeal noted that opinions may differ over whether this was a search, so it determined the admissibility of the evidence on reasonableness and balancing grounds.

Where the police obtained a search warrant and installed video surveillance equipment, the Crown conceded that that was illegal, however the Court of Appeal doubted whether that concession was correct: (another possible name suppression case) [2010] NZCA 457.

So even right up to the Supreme Court's decision in the Urewera case the law was unclear as to whether surveillance was necessarily a search. The point was if surveillance was a search, it could be authorised by a search warrant. If it was not a search and could not be legitimised in that way, and if it involved a trespass the admissibility of evidence obtained by such surveillance was governed by the balancing exercise in s 30. In the Urewera case, the High Court held that surveillance could not be authorised by a search warrant, but the Court of Appeal overruled that decision. The Supreme Court overruled the Court of Appeal on this point. It also overruled the Court of Appeal and the High Court on the admissibility of some of the evidence where it related to less serious charges.

[Update: as it turned out, the Supreme Court's analysis of search was more subtle than this. It differentiated between a narrow form of search that could be authorised by a warrant - search for things that existed at the time the warrant was executed, where "things" did not include captured images - and the wider form of search that was addressed in s 21 of the Bill of Rights. Covert surveillance is a search when it infringes reasonable expectations of privacy, but it cannot be authorised by a search warrant. There could be an unreasonable search without a trespass: Blanchard J at 57, 63, 64 of [2011] NZSC 101, another aspect of which is discussed here tomorrow.]

My impression from media reports as the case has made its rather slow way through the courts is that the police acted in good faith in their approach to collecting the evidence. I don't see any reason for the public to lose confidence in the police over this aspect of the case.

A small collection ...

2011-09-16T16:58:00.002+12:00

No compensation for judicial breach of rights

If a judge breaches your rights under the Bill of Rights, you may not claim compensation: Attorney-General v Chapman [2011] NZSC 110 (16 September 2011) per McGrath and William Young JJ jointly with Gault J concurring. Elias CJ and Anderson J dissented.

The majority reasoning emphasised public policy which was an extension to the personal immunity of judges from suit and was based on the need to protect judicial independence.

Eyewitness identification evidence

An illustration of circumstances where there was insufficient support for the reliability of identification by an eyewitness who claimed in a fleeting sighting to recognise the defendant from two encounters several years previously (there being no evidence about why those should have made the present identification more reliable), so that the requirements of s 45 of the Evidence Act 2006 were not met, is Harney v Police [2011] NZSC 107 (16 september 2011). The Court emphasised the need for strict compliance with s 45 in view of the dangers of mis-identification. Dock identifications too should be permitted only in the most exceptional circumstances [20 at footnote 20]. The witness's confidence in the accuracy of his own identification is just a factor to be taken into account, as the opposite side of the coin of hesitancy, and confidence cannot itself satisfy a reliability test [33].

Mootness and ordering judge alone trials

Occasionally an appellate court may hear and decide an appeal notwithstanding that the issue in question no longer is a live one in the case: Signer v R [2011] NZSC 109 (16 September 2011), applying R v Gordon-Smith [2008] NZSC 56 (its substantive point discussed here on 23 March 2009) and see also R v McNeil [2009] SCC 3 discussed here on 20 January 2009).

The substantive point in Signer concerned the interpretation of s 361D of the Crimes Act 1961. Does the word "likelihood" in subsection 3(b) mean that a judge must find it "probable" that jurors will not be able to perform their duties effectively? Or does it just mean that the judge considers there is an "appreciable risk" of that? The Supreme Court held that "likelihood" imports a balancing exercise and does not set down a specific standard. The accused's right to a jury trial may be outweighed by the need for a fair trial. Beyond saying that, the Court preferred not to explore the matter without a live issue which would provide specific circumstances for consideration.

More on Momcilovic

2011-09-09T15:21:00.009+12:00

I should, so as not to appear lazy, add a few observations on the aspects of R v Momcilovic (last entry) concerned with interpretation.

It is not unusual to find in Bills of Rights provisions to the effect that rights shall only be subject to such limitations as are justified in a free and democratic society. Section 32(1) of the Victorian Charter of Rights and Freedoms is an example. So too is s 5 of the New Zealand Bill of Rights Act 1990. The question is, are these provisions to be used in defining what the rights mean?

In Momcilovic the minority (French CJ, Crennan and Kiefel JJ) answer was no, s 32(1) is just a mechanism by which the court can decide whether to issue a declaration that the legislation in question inconsistent with the rights. However the majority (and I recall Dworkin's comments on the weights that might be given to individual judge's votes: Justice for Hedgehogs, pp 484-485) did use the rights-limiting provision as interpretive: Gummow J at 166-168, Hayne J agreeing at 280, Heydon J at 411-427, and Bell J at 678. Similarly, but where the New Zealand BORA does not give the courts power to make declarations, s 5 has been held to be interpretive, to be used to determine what the right means: Hansen v R [2007] NZSC 7 per Blanchard, Tipping, McGrath and Anderson JJ (57-60, 89-92, 186, 190-192), but with Elias CJ dissenting at 6, 7, 15-24. The Chief Justice's dissent takes the approach which was favoured by the minority of the High Court of Australia in Momcilovic.

But even this interpretive role in the New Zealand approach is not necessarily applied. For example, in Morse v Police [2011] NZSC 45, discussed here on 6 May 2011, only McGrath J used it.

The interpretive method, outlined by McGrath J in Hansen at 192, applies the following steps:

Ask first whether the circumstances fit within the ordinary meaning of the statutory provision being applied. Here, which standard of proof would be a natural interpretation of the reverse onus provision?
Then ask whether, on that meaning there appears to be an inconsistency with a protected right. Here, is the legal burden on the defendant inconsistent with the right to be presumed innocent?
If there is such an inconsistency, ask whether the limit on the right is a justifiable one in terms of s 5. Here, is the legal burden on the defendant justifiable?
If the limit is not justifiable, ask whether there is another meaning available through which the statute can be read consistently with the right. Here, can the reverse onus provision be read in a way that puts an evidential burden on the defendant?
If there is no such other meaning, the natural meaning must be applied. Here, the legal burden on the defendant.

For the fourth step, which is interpretive, the powers given by the relevant interpretive provision must be considered. Is the court limited to applying the ordinary and natural meaning of the legislation, or can the court apply a meaning that "can be given" to the enactment, or thirdly, is the court allowed to be more imaginative and strain the words of the statute to preserve the relevant right? In Momcilovic French CJ, Crennan and Kiefel JJ applied the ordinary rules of statutory construction, including the principle of legality, to determine the meaning of the reverse onus provision. This was the first of these interpretive approaches, although these judges were denying that the rights limiting procedure was relevant and were in effect just using step 1. Accordingly, no straining for an unnatural but rights-consistent meaning was permitted. There was no asking what might be reasonable limits on the right to be presumed innocent. But the minority agreed with the majority that the construction contended for by the defendant was not available on ordinary principles of statutory interpretation: to "satisfy" the court means more than merely to raise a reasonable doubt.

It is well worth reading French CJ's judgment in Momcilovic at 37-51 for a comparison with the approach in applying s 3 of the Human Rights Act 1998[UK], in particular at 49:

" ... Section 3 of the HRA has a history and operates in a constitutional setting which is materially different from that which exists in Australia. Before its enactment, United Kingdom courts, which had to give effect to the supremacy of European Community law, lacked domestic legislation providing for the direct application of rights under the ECHR. In the result there was a perception that British judges were denied the responsibility of safeguarding Convention rights and that the European Court of Human Rights had become "in effect a supreme constitutional court of the UK."[Footnote 97: "Lester, Pannick and Herberg (eds), Human Rights Law and Practice, 3rd ed (2009) at 12 [1.34]."] The HRA was enacted under the political rubric of "bringing rights home"[Footnote 98: "Lester, Pannick and Herberg (eds), Human Rights Law and Practice, 3rd ed (2009) at 12-15 [1.35]-[1.46]."]."

Perhaps this is a clue for anyone who, like me, is perplexed about why s 3 of HRA should be given a different meaning to s 6 BORA, as it was in Hansen and Lambert, as was mentioned in yesterday's note. The UK enactment applies the provisions of a Convention, whereas the NZ one is technically just an ordinary statute. In the absence of some sort of rationale like this, one is left with the thought that there is a bit of judicial pride being protected.

The UK interpretive approach is of the third kind mentioned above: some straining for a rights-compliant meaning is allowed (Ghaidan v Godin-Mendoza [2004] UKHL 30 noted here 19 September 2005), the New Zealand and Australian approaches are of the second kind.

And for a wee caustic-to-the-point-of-being-truthful glimpse of how the law works, see Heydon J in Momcilovic at 455.

Reverse onus provisions and the presumption of innocence

2011-09-08T17:13:00.003+12:00

A reverse onus provision is one that puts a burden of proof on the defendant. It raises questions about what standard of proof is required to meet that burden. Illustrations commonly occur in legislation concerning drug offending.

For example, s 6(6) of the Misuse of Drugs Act 1975[NZ] applies when a person has been proved to have been in possession of a specified quantity of a drug, and it operates by creating a presumption that the person had the purpose of supplying it, "until the contrary is proved". This has been held to mean that the defendant has the legal burden – that is, to the standard of the balance of probabilities – of proving absence of that purpose: Hansen v R [2005] NZSC 74. The Supreme Court held that "proved" means proved on the balance of probabilities, and it rejected an interpretation of "proved" which was that it means the burden of raising a reasonable doubt, that is, the evidential burden. For my earlier commentary, see 13 January 2010, 5 March 2009, 20 February 2007, and 19 September 2005.

This latter, rejected, interpretation of "proved" was based on a suggestion by Glanville Williams in "The Logic of 'Exceptions'" [1998] CLJ 261, 265. I had relied on that article in making submissions (also rejected) to the New Zealand Court of Appeal in R v Phillips [1991] 3 NZLR 175. In that case, Cooke P for the Court found that interpretation of "proved" a "strained and unnatural interpretation".

The House of Lords did not find it "strained and unnatural" in R v Lambert [2001] UKHL 37, and indeed at [42] Lord Steyn said:

"In Kebilene [ [2002] 2 AC 326 ] I described this as a respectable argument: 370G. Lord Slynn agreed: 362A. Lord Cooke of Thorndon regarded the distinguished author's view as a possible meaning under section 3. Specifically, Lord Cooke stated that "unless the contrary is proved" can be taken to mean "unless sufficient evidence is given to the contrary" [2000] 2 AC at 373G. I respectfully adopt Lord Cooke's observation. Applying section 3 I would therefore read section 28 (2) and (3) as creating an evidential burden only. In particular this involves reading the words "prove" and "proves" as meaning giving sufficient evidence."

So, something about s 3(1) of the Human Rights Act 1998[UK] allowed Lord Cooke (who was the same person as Cooke P in Phillips) to accept the Glanville Williams interpretation of "proved", whereas the corresponding provision of the New Zealand Bill of Rights Act 1990, s 6, had allowed neither him nor the Court in Hansen to accept it.

Much can turn on the interpretive directions given by the constitutional legislation.

The same submissions about the reverse onus were made in Momcilovic v R [2011] HCA 34 (8 September 2011). The wording of the reverse onus provision here was different and was held to be unambiguous, in that it requires the defendant to "satisfy the court" of the specified matter. "Satisfy" has always been understood to mean to establish on the balance of probabilities. See French CJ at 62, Crennan and Kiefel JJ jointly at 581 and Bell J at 659. That applied to proof of possession of the drug. But as to possession for the purpose of trafficking, the legislation did not impose a presumption and so the possession and the purpose had to be proved by the prosecution to the standard of beyond reasonable doubt: French CJ at 72, Gummow J at 200 (Hayne J agreeing at 280), Crennan and Kiefel JJ at 611 and Bell J at 659.

Momcilovic is, in addition, full of dicta of interest to those who are concerned with the Australian constitutional legislation.

For the curious ...

2011-08-28T12:12:00.001+12:00

To begin the eighth year of this site, I reflect on the rewards and pleasures of scholarship, here.

Scientific research on eyewitness identification evidence

2011-08-26T10:20:00.002+12:00

Every criminal law practitioner and judge should read the amicus brief filed by the American Psychological Association in Perry v New Hampshire (cert granted, No 10-8974). It refers to research on the risks of errors in eyewitness identification evidence, and on the utility of judicial warnings to juries.

(Thanks again to Peter Tillers of Cardozo School of Law at Yeshiva University for pointing this out.)

Now we are seven

2011-08-24T16:25:00.001+12:00

That's seven years of this blog!

Usually I mark the anniversary by some repulsively self-indulgent boasting, smugly superior conceit or obnoxiously vain self-citation.

Not this time.

The relevance of expert opinion

2011-08-22T14:34:00.002+12:00

Thanks to Peter Tillers in New York for drawing our attention to a High Court of Australia decision which includes discussion by Heydon J of an interesting point about expert evidence: Dasreef Pty Ltd v Hawchar [2011] HCA 21 (22 June 2011).

The joint judgment of French CJ, Gummow, Hayne, Crennan, Kiefel and Bell JJ did not analyse the issue in a way that made it necessary to address the point I will mention below (41), because these judges decided that in this case the testimony offered as expert opinion was not based on the witness's specialised knowledge based on training study or experience. That requirement for admissibility being absent, they held that the trial judge had no evidence to support the conclusion he reached.

Heydon J, on the other hand, was of the view that the evidence legislation, although silent on the point, did leave room for its application. So what was the point? It was: is it necessary that there be evidence of facts upon which it is proposed that an expert should base an opinion, before the expert gives evidence of that opinion? Or, can the expert be called and give evidence of that opinion, on the understanding that evidence will subsequently be called to establish the relevance of that opinion? At 121-127 Heydon J explains why there should be a rule that relevance be established before the expert evidence is adduced.

It seems that the legislation in New Zealand leaves open the possibility that the rule favoured by Heydon J may not apply: s 25(3) of the Evidence Act 2006. Also, s 14 provides for provisional admission of evidence.

This would surely be a matter for the judge's discretion, and would depend on how practical it would be to deal with expert evidence that had been given but which was subsequently found not to be admissible. In judge alone trials it would not be likely to matter, but in jury trials questions of fairness may arise if there was a real risk that the jury would be rendered partial as a result of having heard the inadmissible evidence.

Legal aid eligibility and fair trial requirements

2011-08-21T17:02:00.002+12:00

At a time when we are considering the implications of restricting the availability of legal aid, the Supreme Court of Ireland reminds us that the constitutional right to a fair trial may require legal aid to be granted, even where a defendant is not at risk of imprisonment: Joyce v DJ Brady [2011] IESC 36. O'Donnell J, for the Court, observed [13]:

" ... for a person who has never appeared in court before and who faces the possibility of conviction for theft an offence of dishonesty with all that that entails for prospects of employment, I do not think it could be considered anything other than serious.

"[14] It is worth considering what would be involved in a professional defence of the case. It would be necessary to know that the offence itself was indictable but could be tried in the District Court but only with the agreement of the accused. It would be necessary therefore to form some view as to which court would be the most desirable from this accused's point of view. If the matter was to proceed in the District Court it would be also necessary to know that an application could be made for disclosure which might inform the accused of the case which he had to meet. It might also be necessary to know the extensive law that has grown up in recent years about the significance of CCTV evidence, and more particularly, its absence. Careful consideration would have to be paid, to both the legal and factual basis upon which it could be said that the actions of the two women in the Spar shop could be attributed to the applicant. In addition to all of these steps a lawyer would have to consider what witnesses would be available for the defence. Leaving aside the statutory formula for one moment, if the sole question for a court was whether anyone would think this was the sort of case that could be fairly defended by a litigant on their own whilst suffering perhaps from that "fumbling incompetence that may occur when an accused is precipitated into the public glare and alien complexity of courtroom procedures, and is confronted with the might of a prosecution backed by the State" (State (Healy) v. Donoghue [1976] I.R. 325, 354), then there could in my view, be only one correct answer."

...

"[16] ... The constitutional right, from which an entitlement to legal aid for impecunious defendants was deduced is, primarily, the right to a trial in due course of law guaranteed by Article 38 of the Constitution. That is a right to a fair trial; it cannot be reduced to a right not to be deprived of liberty without legal aid. There is something fundamentally incongruous in the contention that a trial for theft would be unfair if the accused was convicted (perhaps having pleaded guilty) and sent to jail for even a day, but that a trial of the selfsame offence including the same facts and issue of law would become fair if the accused were only fined or required to do community service if convicted, even though such conviction would brand him a thief."

...

"[20] ... given the unpredictability of court proceedings, and the fact that the full facts may emerge if at all on a full trial, then unless the test as to whether an accused might face a risk of imprisonment were applied with considerable flexibility there could be a serious risk of confusion, error, waste of time and, not least, injustice."

If legal aid is not available to a defendant who wants legal representation but who cannot, in reality, afford to pay a lawyer, fair trial requirements may prevent a conviction. See Condon v R [2006] NZSC 62, discussed here on 24 August 2006, and other cases under the heading "Counsel" in the Index to this site.

Financial criteria limiting the availability of legal aid cannot justly be applied inflexibly. The real cost of private legal representation must be weighed against a defendant's actual disposable income. This is not to say that legal aid should be a gift, as arrangements can be made for reimbursement of state funding by the defendant on an instalments basis.

Evidence of vulnerable witnesses – pre-trial recording

2011-08-19T11:50:00.003+12:00

Only rarely will it be appropriate for a court to permit pre-trial recording of the evidence, including cross-examination, of a vulnerable witness: R v M (CA335/2011) [2011] NZCA 303 (9 August 2011, published in redacted form 19 August 2011).

The judgment discusses the reasons for and against this procedure and concludes that it would take a compelling case to overcome the disadvantages. Those disadvantages include the increased use of court resources and time, the increased costs in all counsel having to prepare twice, greater delays for accused persons as the reasons favouring fast-tracking of child sex cases would no longer apply and there would be ongoing stress for family members.

And, more generally, the defence is not required to show its hand before trial and forcing it to do so could adversely affect fairness of the trial, the judge would need to be sure that full disclosure had been made to the defence before pre-recording of cross-examination, the sole advantage to complainants would be the reduction in delay before giving evidence, the jury could not properly assess the spontaneous reaction of the defendant to the complainant's evidence, the jury would not be able to ask questions of the complainant unless he or she was required to attend at the trial, and it is highly likely that such attendance would be required in the interests of fairness if it were claimed by the defence that new topics for cross-examination had arisen from information obtained after the pre-trial recording had been completed.

Extradition, separation of powers, abuse of process and the Westminster model

2011-08-12T16:41:00.003+12:00

Extradition can be opposed on abuse of process grounds: Fuller v Attorney-General (Belize) [2011] UKPC 23 (9 August 2011) at [58]. The relevant sort of abuse of process would be [5]:

"(i) making use of the process of the court in a manner which is improper, such as adducing false evidence or indulging in inordinate delay, or (ii) using the process of the court in circumstances where it is improper to do so, as for instance where a defendant has been brought before the court in circumstances which are an affront to the rule of law, or (iii) using the process of the court for an improper motive or purpose, such as to extradite a defendant for a political motive."

An application for habeas corpus may be granted and a stay ordered. In the absence of an express constitutional provision to the contrary, it is a characteristic of democracies in the Westminster tradition that separation of powers places in the hands of an independent and impartial judiciary the protection of fundamental human rights [38-41]. The decision on whether extradition would be an abuse of process is not therefore one exclusively for the executive to make.

To retry or not to retry, that is the question

2011-07-23T19:44:00.006+12:00

A strong legal system will ensure a fair trial for a defendant who is obviously guilty of a serious crime. R v Maxwell [2010] UKSC 48 (judgment given on 20 July 2011) is centred on the tension between the court's need to have its proceedings untainted by police misconduct and the need to uphold the public interest in conviction of the guilty.

After the Criminal Cases Review Commission had exposed serious police misconduct in the collection of evidence against the accused, the Court of Appeal quashed his conviction for a particularly vile murder. However, while he was serving his sentence and when his conviction was being investigated the defendant made admissions which supported an inference of guilt. The Court of Appeal decided to order a retrial because of this new evidence. That decision was appealed to the Supreme Court.

Were the new admissions tainted by the police misconduct that had led to his conviction and sentence?

The Court split 3-2 on this.

The problem of when events have moved on sufficiently from police misconduct to leave untainted any evidence subsequently discovered often arises in the context of improperly conducted searches. See for examples, R v Wittwer, discussed here on 6 June 2008, Gafgen v Germany, discussed here on 3 July 2008 and again on 25 June 2010, R v Ogertschnig and Police v Chadwick both discussed here on 26 October 2008.

The difference between the judges in Maxwell turned on whether the "but for" test was conclusive: if the admissions would not have been obtained but for the impropriety, they are tainted. Or was this just one matter to be considered in the balance?

You might think it obvious that since Mr Maxwell was in prison serving a sentence that had been imposed as a result of a substantial miscarriage of justice which was of such a magnitude that a stay of proceedings could have been granted ([11]) to prevent an abuse of process, his admissions were tainted.

When judges are resisting coming to a conclusion that should be obvious, they tend to call the case a hard one. A cynic might say it wouldn't be hard if they got it right. Lord Dyson repeatedly referred to this case as difficult, and Lord Rodger also noted the Court of Appeal’s difficult decision, Lord Mance didn’t find it an easy case, but Lord Brown dissenting didn’t find it difficult at all ([105]). Lord Rodger acknowledged that he had changed his mind since the hearing; had he not done so, the result of this appeal would have been different.

From this you can guess that the majority held that the admissions were not tainted and that the Court of Appeal had rightly ordered a retrial. Lord Dyson delivered the leading judgment in which he reasoned that the admissions were voluntary and were made in what Mr Maxwell then perceived to be his own interests [26]. So, while they would not have been made but for the tainted proceedings, there were other relevant factors to take into account. Only one [31] was mentioned here: the seriousness of the offending (but Lord Brown at [104] adds the strength of the case against the defendant as another). Lord Dyson also accepted that the Court of Appeal was right to think that the admissions were untainted in the sense that the police did not intend to obtain them when they were indulging in the serious misconduct [32].

This reasoning seems a bit fragile. Lord Dyson also thought that there are two balancing exercises: a narrow one to decide whether there had been an abuse of process, and a wider one to decide whether to require a retrial [21]. But, you might think, a retrial would be pointless if the evidence was inadmissible on abuse of process grounds, and if the abuse was not sufficient to exclude the evidence, how could there be an objection to a retrial? Wasn't Lord Brown right to say [98] in his dissent that it is really all one question of balancing the conflicting public interests of convicting the guilty on the one hand and maintaining the rule of law and the integrity of the criminal justice system on the other?

The result is fact-specific, and Lord Brown recognised [103] that if Mr Maxwell had made his admissions after his conviction was overturned there would have been no objection to a retrial.

Lord Collins, also dissenting, added [115] that a retrial was inappropriate because of the seriousness of the police misconduct, the fact that the admissions would not have been made but for the conviction so procured, and Mr Maxwell had served a substantial sentence.

Well, you can't say it isn't an interesting case. There are some useful summaries of the law on stays of proceedings [13–14], abuse of process [15-16], and of course the interests of justice in relation to deciding whether to order a retrial. The Court did not find it necessary to consider whether the duty to stay proceedings to prevent abuse of process where evidence had been improperly obtained is rightly conceived as a balancing exercise involving the seriousness of the offending: see my discussion of Warren v Attorney-General of the Bailiwick of Jersey on 31 March 2011. Where a stay would, as here, have been appropriate at trial, the court is saying that regardless of whether the defendant is guilty, the official impropriety was so serious that mere exclusion of tainted evidence would be insufficient to uphold the administration of justice. The admissibility decision does take into account the seriousness of the offence, but here the court says the impropriety has outweighed that. In such circumstances, subsequent discovery of new evidence of guilt would be irrelevant. Existing statutory provisions empowering courts to permit retrials of acquitted persons do not apply where stays have been ordered, nor do they require the seriousness of the offence to be taken into account, partly because they only apply to serious offences or to all offences where an acquittal was obtained by the defendant's perversion of the course of justice (obviously I generalise here: check your own statutes).

The misconduct here was indeed something rotten in the state of England. Like the ghost it craved justice but the new day brought new concerns

" ... It lifted up its head and did address

Itself to motion like as it would speak;

But even then the morning cock crew loud,

And at the sound it shrunk in haste away

And vanish'd from our sight."

Substantive and procedural fairness

2011-07-14T11:55:00.002+12:00

Procedure is the means by which the law is brought to life. It converts words to actions. The law recognises a right to a fair trial, and this is a substantive right. To convert fairness from a right to a reality, rules of procedural fairness have developed. These rules will be effective to the extent that they produce trials that are substantively fair.

We need to know what a fair trial is in substance, and by what procedure to get it. The scope of a court's inherent power to create procedures that have implications for trial fairness was considered in Al Rawi v The Security Service [2011] UKSC 34 (13 July 2011). Note the helpful summary provided in the link at the top of the judgment.

This case concerned an extension to the Public Interest Immunity procedures (as to which see R v Davis [2008] UKHL 36, noted here 19 June 2008) which is called the "closed material procedure". This would go beyond PII by allowing the judge to see - and to decide the case on - material not shown to a party, and by allowing judgments to be given that were similarly not disclosed. The Supreme Court held (I generalise here and so am a little inaccurate in the interests of brevity) by a majority that only the legislature could create procedures that departed from the fundamental principles of open justice and natural justice.

While the Court recognises the power of Parliament to make procedural laws that limit the open justice principle and the natural justice principle, does it concede that the courts would require proceedings to continue if those laws had the effect in a particular case of making the trial substantively unfair? Would there be a difference in this between criminal and civil cases?

(20 marks)

Changing perceptions of fairness

2011-07-12T11:58:00.005+12:00

The law seems to move rather slowly for poor people in Trinidad and Tobago, if Krishna v The State (Trinidad and Tobago) [2011] UKPC 18 (6 July 2011) is anything to go by. The murder occurred on 26 May 1984, the conviction at trial was on 12 January 1988, the appeal to the Court of Appeal was dismissed on 5 October 1995, and the Privy Council quashed the conviction, refusing to order a retrial, just the other day.

The case is a lesson in how perceptions of trial fairness can change over time. The trial seems to have been conducted according to the law as it then was as far as a direction to the jury on the reason the judge had ruled a confession admissible was concerned. The judge told the jury that he had decided that the statement had been made voluntarily. The law on this changed subsequently, so that it is no longer proper for the judge to reveal to the jury a decision on admissibility: Mitchell v The Queen (Bahamas) [1998] UKPC 1; [1998] AC 695. This was therefore an error relevant to this appeal.

Another ground of appeal was the failure of the judge to give a proper accomplice direction. The Court of Appeal had applied the proviso on this point, but the Board considered this to be a material irregularity in the context of the judge's positive comments about that witness. The law on accomplice directions had been established in Davies v Director of Public Prosecutions [1954] AC 378, so this is not a point about changing perceptions of fairness.

A third ground of appeal was that the judge had not given an adequate good character direction. The Board considered that on its own this would not have been sufficient to shake the safety of the conviction, and that because this was not a case where the defendant had given evidence and put his credibility against that of other witnesses, it would ignore this ground. But significant for my point about changing perceptions of fairness is the increased importance of good character directions that was established in developments in the law after this trial: R v Aziz [1996] AC 41. Had the trial occurred after Aziz, a stronger good character direction would have been required, although in this case its absence may not have been decisive (compare Brown v R (Jamaica) noted here 21 April 2005; Gilbert v R (Grenada) noted here 29 March 2006).

Mr Krishna was ordered, after 23 years in custody as a sentenced prisoner, to be immediately released:

"Strong though the evidence against the appellant was, the Board is unable to conclude that the jury would have inevitably convicted the appellant if these irregularities had not occurred."

Will there be an award of compensation? Better not to hold one's breath. Clearly the trial had been unfair, because it could not be said that the jury was impartial: the judge's comments on voluntariness indicated a preference for the police witness's credibility, and lack of an accomplice warning also told against impartiality. Given that the trial had not been fair, the conviction could not stand. The Board's comments on the strength of the case against the appellant were made in the context of whether to order a new trial, and as one was not ordered, compensation would be appropriate even under the meanest regimes; see my discussion of compensation here on 15 May 2011.

When time is broke ...

2011-07-10T18:35:00.002+12:00

"What is dawn in the city to an elderly man standing in the street looking up rather dizzily at the sky?"

This sentence from the penultimate paragraph of Virginia Woolf's work of consummate genius, "The Waves", has been with me since I first read it in the '70s. So has Shakespeare's wonderful

"I wasted time, and now doth time waste me."

Time's measurement has in the last six weeks caused ructions in the United Kingdom, where the legislature is set to uphold a practice which was based on a misconception about time. An interpretation of provisions allowing the police to detain suspects for questioning for no longer than a specified period, which could be extended, had been followed without judicial consideration for over 20 years. Then someone said, just a minute, is this legal, what does the statute mean? It did not mean what it had been assumed to mean: R (On the Application of the Chief Constable of Greater Manchester Police) v Salford Magistrates' Court [2011] EWHC 1578 (Admin).

The legislature seems eager to establish the position as what the police had thought it to have been rather than what it probably seemed to the original enactors to have been. The police snap their fingers, and the legislature obeys.

In a general sense, the interpretative dispute was over whether time should be measured as if it flows continuously from a specified moment, or as if it is a series of discrete periods which are to be considered in their aggregate.

The kind of people who are reminded by this of passages from Virginia Woolf and Shakespeare will also remember that Zeno's arrow paradox cautions us against the perils of dividing time, while his tortoise paradox shows that division of events can also be problematic.

Don’t let me spoil this one by quoting ...

2011-07-09T19:43:00.002+12:00

There are rare moments when a brilliant judgment makes others look vapid and pathetic. So it is with Judge Bonello's roasting of the House of Lords and of the United Kingdom government's arguments in Al-Skeini v United Kingdom [2011] ECtHR 1093 (7 July 2011). Even the Grand Chamber judgments with which he concurred seem inept by comparison, fumbling with a subject which he has firmly in his grasp. Compulsory reading for anyone who would be an advocate or a judge.

Sorts of fairness: abuse of process, plea bargaining and the stay of proceedings

2011-07-02T11:47:00.010+12:00

There is something unsettling about R v Nixon, 2011 SCC 34 (24 June 2011). It is the possibility that an issue of trial fairness may be determined by a balance between societal interests and individual concerns.

The conceptual scheme that allows this possibility was set out in the Court's judgment, delivered by Charron J, at [33-42]. The first point is unexceptional: there are two categories of abuse of process – those which concern trial fairness, and those which raise the integrity of judicial process [36]. The unsettling thing comes next [38]:

" ... Achieving the appropriate balance between societal and individual concerns defines the essential character of abuse of process."

Nixon had nothing to do with trial fairness (this was hesitantly – because of lack of clarity in the submissions - recognised at [55]). It was about what can be called public policy fairness: whether in this case a plea bargain could be rejected by a more senior prosecutor. That sort of fairness does indeed involve a balance between societal interests and individual concerns. Instead of calling it public policy fairness, you could call it "the proper and fair administration of criminal justice" as Charron J does at [63]. My impression is that the conceptual framework that emerged from the precedents relied on in Nixon wrongly equates substantial fairness with administrative fairness.

The placing of trial fairness (that is, not public policy fairness) in the first category of abuse of process and within the balancing exercise was purportedly illustrated at [39-40] by reference to a case concerning whether requiring the defendant to undergo a third trial after two juries had failed to agree was an abuse of process. That case, R v Keyowski, 1988 CanLII 74 (SCC), [1988] 1 S.C.R. 657, was really about public policy fairness. There was no suggestion that a third trial there would not itself be a fair trial.

It is easy to confuse trial fairness with public policy fairness. I suggested that the Privy Council did this in Boolell v The State (Mauritius) [2006] UKPC 46, noted here on 18 October 2006.

Canada recognises that the defendant's right to a fair trial is an absolute right, not subject to balancing: for example R v Ahmad, 2011 SCC 6, discussed here on 22 February 2011. This makes the framework of analysis set out in Nixon rather misleading.

Aside from that difficulty, Nixon makes some useful points about the scope of prosecutorial discretion and its relationship with the court's duty to prevent an abuse of process.

I should add that while a balancing of competing interests will determine whether public policy supports a finding of abuse of process, a balancing of competing interests will not determine whether a trial was or would be fair. Yes, balancing of subsidiary rights may be required in order to resolve an issue, but once that balancing is done the result must be assessed for compliance with the defendant's right to a fair trial. An illustration is R v H [2004] UKHL 3, at [36], concerning whether a trial could be fair without disclosure of the identity of a witness.

Furthermore, abuse of process as originally conceived was thought to cover a relatively narrow field of wrongs, but it has since been recognised that it is a more general concept. Once one adds within its scope the issue of trial fairness, this extended application is evident. Any substantial miscarriage of justice can be said to have caused trial unfairness and so be an abuse of process. That includes anything that would give rise to a successful appeal against conviction. More interesting is the choice of remedy once such an error has been identified. Can it be put right by a warning to the jury? Should it result in exclusion of evidence that otherwise would have been admissible? Or, most drastically, should the proceedings be stayed? Different forms of decision process apply to the choices. When a judge has to decide whether to warn a jury, or to exclude evidence, the decision is reached by the well known weighing of probative value against risk of illegitimate prejudice. When the choice is between warning the jury and staying the proceedings, the decision turns on whether there would be an unacceptable risk of an unfair trial, and that is not a balancing exercise. When the choice is between excluding tainted evidence and staying the proceedings, the decision is one of public policy balancing. I have discussed this in more detail in "The Duty to Prevent an Abuse of Process by Staying Criminal Proceedings".

What price access to justice?

2011-07-01T10:57:00.002+12:00

Today our new Legal Services Act 2011 comes into force, just as we are digesting Lady Hale's Sir Henry Hodge Memorial Lecture, "Equal Access to Justice in the Big Society". There is thoughtful comment on this lecture at UKSCblog on 30 June 2011 by Anita Davies.

Our legal aid system is said to cost too much, and the government seeks to reduce what it calls a "$402 million dollar gap in the legal aid budget".

Of course this "gap" is the difference between what provision of legal aid has actually cost and what the government would like it to cost. It is, if you like, a budgeting aspiration. If we were a wealthier country, the cost of legal aid would be of no concern. I state that truism to emphasise that the government's concern is fiscal.

I am just focusing on the money here because it is singled out as a government goal. Other goals have been addressed in the new legislation, and these concern the quality of legal representation. There is nothing wrong with that. One of the ways by which the government intends to improve the quality of legal representation is by increasing the quantity of criminal work handled by officers of the Public Defence Service. Again, I see nothing wrong with that. In fact I think it is a miracle that someone persuaded the previous government that public money should be spent on training lawyers.

One of the sources of legal aid costs in criminal cases is, as Lady Hale points out, the large amount of work that is required of lawyers at the early stages of even cases that are not particularly serious. Case management and its associated workloads have not proven to have saved money.

On the other hand (this is me again, not Lady Hale) there seems to be no shortage of lawyers who are willing to do legal aid work. The obvious cost-saving strategy would be to decrease legal aid rates of pay. This would deter some lawyers from any involvement with legal aid, but new lawyers would step in to fill this "gap". They would, thanks to the quality of representation safeguards, be fit for the job. Theoretically anyway.

That would satisfy people who think lawyers earn too much money. Perceptions of lawyers' pay are probably exaggerated by the publicity given to some extreme examples. But even those lawyers who have received large legal aid remuneration have worked very hard for it. Against the median pay received by legal aid lawyers, once outliers are ignored, one would have to weigh the time spent, the stress of the work, the office overheads, and the risks of complaints of negligence made by disaffected former clients, before deciding whether lawyers are paid too much.

The real problem may be that the government has an unrealistic expectation of how small the budget for legal aid can be.

Deterrence or rights protection: why exclude improperly obtained evidence?

2011-06-28T09:48:00.001+12:00

Davis v United States (2011) USSC No 09-11328, 16 June 2011 emphasises the rationale for declining to exclude evidence obtained by unreasonable search that had been established in Herring v United States (discussed here 15 January 2009). This is that evidence should be excluded if doing so would have a deterrent effect against police misconduct. At the time of the search in Davis, the search was lawful, but afterwards the law was changed by Arizona v Gant (noted here 22 April 2009). That meant that there was, at the time of the search in Davis, nothing to deter, and the evidence was admissible notwithstanding the later change in the law.

What this sort of deterrence aims at is police conduct that is in flagrant, deliberate or reckless disregard for the Fourth Amendment rights. Where the police act in good faith, or where they are merely negligent, and they violate the defendant's rights, deterrence is not called for and exclusion of the evidence would not "pay its way".

A more rights-centred approach to exclusion of improperly obtained evidence pertains elsewhere, but you knew that.

Public Defence Service costs and private bar legal aid costs

2011-06-27T10:20:00.003+12:00

A spat looms on whether the Public Defence Service is more expensive than having legally aided criminal cases dealt with by the private bar:

Wellington, June 24 NZPA - The Government wants to save money by expanding the Public Defence Service (PDS) but Labour says the United Kingdom experience shows it is more costly.

The Government intends to increase the PDS' share of the criminal caseload from 33 percent to 50 percent.

Criminal lawyers have argued the PDS was incapable of delivering a competent and independent service, lawyers would be less experienced, clients would be pressured into pleading guilty and that it would be more costly.

Justice Minister Simon Power and the PDS disagree, saying it was working well.

Labour MP Charles Chauvel said today that the latest review of the PDS in England and Wales showed costs between 41 percent and 58 percent higher than independent lawyers providing the same services.

It also raised concerns about how PDS costs were calculated.

Mr Chauvel called for Mr Power to release full costs of the PDS.

"The Justice Minister hopes to cut legal aid costs by significantly expanding the Public Defence Service (PDS) — a public service entity — at the expense of independent lawyers providing legal aid," Mr Chauvel said.

"Labour created the PDS and continues to support its existence. But we never intended to expand it as Simon Power wants to. It was always our view, and it remains our view, that independent lawyers should provide the bulk of criminal defence work, for efficiency and equity reasons."

Mr Power said the UK report was published in 2007 and Mr Chauvel was not comparing apples with apples.

"The criminal legal market in the UK is quite different to that in New Zealand," Mr Power said.

"In the UK there is already an extensive network of private firms providing criminal services, making it difficult for their PDS to build market share.

"In New Zealand rotational case assignment will see the PDS receive cases on a regular basis."

Mr Power said expanding the PDS was not just about addressing the cost of legal aid funding.

"It was also recommended by Dame Margaret Bazley in 2009 to improve the quality of legal aid services," he said.

I emphasise the "apples with apples" bit because it raises an interesting point about how to compare the costs of the PDS with those of the private bar.

The idea used by Mr Chauvel in this media report seems to be that the relevant costs will decrease as more work is done. This supposes that the relevant calculation is costs per case.

I think that the better calculation is costs per funded hour in court by counsel appearing in a case. So, for a year, take the total costs that are publically funded for the practice, and divide it by the total publically funded hours spent by counsel from that office in court. For the private bar, average those costs per hour to get costs per hour per firm, and then compare that average to the costs per hour for the PDS office.

This way of looking at it asks how much does it cost to put a PDS lawyer in court compared to putting a publicly-funded private lawyer in court. The "apples" are court-hours. This is a neutral basis for comparison. If the "apples" were cases the comparison would be complicated by the various kinds of cases and whether the best legally available outcome for the client was achieved in each.

Bring on the holidays!

2011-06-22T15:39:00.007+12:00

Grown-ups will remember when we used to use the pejorative term Kafkaesque. This word comes to mind on reading R v EMW 2011 SCC 31 (17 June 2011). To call the opinions "reasons for judgment" is an exaggeration. They read more like an inadequate headnote. Perhaps the unsuccessful appellant will be wondering if the judges really earned their pay on this one. It is impossible to evaluate the strength of Fish J's dissent. And while we must accept the majority's conclusions there seems to be no discernable lesson to the Court of Appeal, whose majority decision was overruled. Just a difference of opinions. I think a court of final appeal has a duty to explain itself more clearly.

The majority disagreed with the Nova Scotia Court of Appeal majority (and apparently too with the dissenting judge in that court who seems to have accepted this point) as to whether Crown questioning of the complainant had been leading. The questioning is set out at para 80 of the NSCA majority judgment and more extensively at [118] of the dissenting judgment of Fichaud JA. At trial, after a stick drawing of a female person had been drawn by the prosecutor and the complainant had drawn a circle in the general vicinity of where the defendant had been touching her inappropriately, the questioning continued (I insert numbers for the questions):
"1. Q. Yes. What’s that part of the body on a female called?
A. Vagina.
2. Q. Vagina. And was your dad touching you on the vagina?
A. Yes.
3. Q. And when he touched you on the vagina, was it outside of your vagina or inside of your vagina?
A. Inside.
4. Q. What part of his body was he using to touch the inside of your vagina?
A. His fingers.
5. Q. Was he on the inside or the outside of your clothes when he was doing this?
A. Inside.
6. Q. So you would wake up and your dad’s hand would be down your pants, and his fingers would be in your vagina?
A. Yes."

The Supreme Court majority held [9] that this was not leading questioning. But did it suggest answers or assume a state of facts that was in dispute? Q2 leads; it should be "Where was your dad touching you?" Q3 should be "Which part of your vagina was he touching?" Q5 should be "Were you wearing anything?" then, "Where was his hand compared to your clothing?" Q6 should be "When did you notice that?"

An interesting point concerns Fichaud JA's treatment of the defence cross-examination on these matters. Fichaud JA regarded the defence tactic of getting the complainant to repeat this evidence (by questions which in cross-examination are not, of course, objectionable for being leading) as defeating any objection that could have been made at trial to the Crown's leading of the same evidence. I should say that the defence cross-examination technique was flawed: it was wrong to get the complainant to repeat her evidence in chief; counsel should merely have led the inconsistent statement and then put the proposition that both were lies. But, given that counsel chose to repeat what in the hands of a prosecutor was objectionable, did this create a sort of estoppel on appeal against objection to the prosecutor's leading? I think not, because if the questions had not been allowed in chief they would not have been repeated in cross-examination.

The Supreme Court did not address this. Nor did it explain why the questions were not leading, except to say that binary questions (giving the complainant a choice between two alternatives, as in Q3 and Q5 above) did not here suggest an answer. Well, in the context of this case those questions were peripheral: the point was the allegation that the defendant was touching her vagina. Inside or outside vagina, or inside or outside of clothing, was of secondary importance. But in any event, binary questions are not necessarily acceptable, as they serve to reinforce the preceding answer, here that the vagina was touched, and that clothing was worn.

Oddly McLaughlin CJ for the majority said, on the issue of whether the questions suggested answers or assumed facts that were in dispute, that they "did not cross this threshold". There is a threshold? They were sort of leading but not quite? Is there a category of questions that are acceptably leading in a context where leading is prohibited? The majority did not say, yes, these were leading questions, but in this case the complainant was young and the prosecutor was having difficulty getting her evidence, so the judge was right to allow these questions. If that was what the majority intended, it would be controversial. Compare the remarks of the New Zealand Court of Appeal in R v E (CA308/06) [2007] NZCA 404, [2008] 3 NZLR 145 at [25]:
" We are conscious that there are some cases and commentators which suggest that leading questions may be allowable where young children are concerned . . . Given what is now known about the importance of using open-ended questions when interviewing children, these authorities should be treated with caution. We note, in any event, that under s 89 of the Evidence Act 2006, there is no exception to the prohibition of leading questions where a child is being questioned."

Risks, aversions, coercion, and provocation

2011-06-18T11:32:00.010+12:00

A clutch of recent Privy Council decisions: the risks of dock identification, the Board's aversion to the death penalty, jury perception of coerced confessions, and puzzling over provocation.

R v Tido (Bahamas) [2011] UKPC 16 (15 June 2011) has some useful dicta on dock identification, application of the proviso where inadmissible evidence had been before the jury, and on the discretion to impose the death penalty in the worst cases of murder.

In Miguel v The State (Trinidad and Tobago) [2011] UKPC 14 (15 June 2011) there is an interesting point reiterated about the Mushtaq direction ([2005] UKHL 25, discussed here on 22 April 2005 and also, in the context of Wizzard [2007] UKPC 21 here on 6 April 2007). This is that there is a distinction between on the one hand denial that a statement was made at all, as where the defendant says the police coerced him to sign a confession they concocted, in which case the Mushtaq direction does not apply, and on the other hand acknowledgement that the confession was his but that it was coerced. In the latter case, where the question concerns the voluntariness of an acknowledged confession, Mushtaq does apply so that the jury must be directed to ignore it if they think it may have been obtained by coercion. This was the explanation of Mushtaq that had been given in Wizzard.

Although Mushtaq is discussed as if voluntariness were an issue on which the jury had to be unanimous, it seems obvious that unanimity is not required because each juror may find his own route to a decision on guilt, and it is only on the verdict that the members must be unanimous. So if a juror relies on the confession, that juror must be satisfied (beyond reasonable doubt - the standard applying to voluntariness here) that it was made voluntarily.

In Miguel the Board, once again, found a way to avoid upholding the death penalty. This time the reasoning focused on the interpretation of constitutional legislation.

The third decision of the Privy Council addresses provocation and fresh evidence that could be relevant to that defence: Lewis v The State (Trinidad and Tobago) [2011] UKPC 15 (15 June 2011). Provocation has been replaced in England and Wales by the partial defence of loss of control: ss 54-56 of the Coroners and Justice Act 2009[UK], and Lord Brown for the Board commented [28]:

"...whatever difficulties may arise in England and Wales from the introduction last October of the new defence of loss of control in place of provocation, at least there will be fewer problems of the kind discussed above. The courts in Trinidad and Tobago however, must soldier on. It will now be for the Court of Appeal there to consider the question of provocation in the present case. We have no alternative but to remit the matter to them."

In Lewis the problems concerned identifying conduct by the victim that could qualify as provoking the defendant to lose self-control. Mere causing loss of self-control is insufficient, because then provocation would need to be considered whenever self-defence was raised (R v van Dongen (Anthony Gerrard) [2005] EWCA Crim 1728; [2005] 2 Cr App R 632 at para 42, quoted in Lewis at [16]). In Lewis the judge had decided not to leave provocation to the jury, and the Board upheld that (although because of fresh evidence the case was remitted to the Court of Appeal). This reflects a view that what is sufficient evidence of provocation is not a question of law but is best left to the common sense of the trial judge [13, 21]. It is necessary to distinguish killing as revenge from killing as a result of loss of self-control, but the Board felt it unhelpful to try to separate out the evidence of provocation from evidence of loss of self-control [15]; they are closely connected aspects of the first limb of provocation (the subjective requirement that the defendant was provoked into losing his self-control). This first limb is regarded as "a single composite" [16], and the judge will refuse to leave provocation to the jury if he concludes that it would be perverse for a jury to find that a reasonable person would do what the defendant did.

An illustration of a controversial reliance on provocation is Weatherston v R [2011] NZCA 276 (17 June 2011), a case which was a major motivation for the repeal of this partial defence in New Zealand. Our national sense of horror is such that we have yet to replace it with anything like loss of control. The difference between Lewis and Weatherston is small (I mean here that in each the defendant claimed to have lost self-control as a result of his sensitivity to the consequences of a terminated sexual relationship), and it is likely that if the judge in Weatherston had refused to leave provocation with the jury the Court of Appeal would have upheld that decision, and, in that event, our crisis over the existence of this partial defence may well not have occurred.

Although the best barristers say very little, I, by way of contrast, can add a bit about provocation. Earlier I mentioned Attorney-General for Jersey v Holley [2005] UKPC 23 (see the entry for 5 July 2005), and it is worth calling to mind the two-stage inquiry by which courts address issues of provocation. First, what level of provocation can the defendant properly claim to have experienced? This requires considering how a reasonable person with the defendant's characteristics would have felt the provocative words or conduct. It is a mix of objective and subjective considerations. No doubt one could fairly say it requires a considerable exercise of imagination to assess. Second, given the level of provocation assessed in that way, does it exceed the level that a reasonable person ought to be able to tolerate without losing self-control? This is an objective question. These questions can be modified when the issue is whether provocation is a live issue in the case: is there evidence of acts or words that could reasonably be taken as requiring an exercise of self-control by the defendant, and, if so, could it reasonably be concluded that the exercise of self-control so required was beyond the ability of a reasonable person to exercise? This latter question determines whether a loss of self-control could have been through provocation as opposed to being the result of malice.

How do the new "loss of control" provisions applicable to England and Wales, referred to above, deal with these issues? On the first question, the s 55 definition of "qualifying trigger" sets the objective standards for the nature of the provocative act or words (serious violence, extremely grave circumstances, justifiable sense of being seriously wronged), and the subjective requirements are in s 54 (loss of self-control caused by a qualifying trigger). The second question, whether a reasonable person would have lost self-control if subjected to the level of provocation experienced by the defendant, appears in s 54(1)(c), which sets the standard as that of a person of the defendant's age and sex and who has "a normal degree of tolerance and self-restraint". Overall, and I only generalise because there will be a lot of interpretative issues, this legislation has the important effect of ensuring that only seriously provocative acts or words can be the basis for this qualified defence.

The unsaid unchartable universe

2011-06-15T15:44:00.002+12:00

The more one says, the more one does not say. The universe of discourse is infinite. This is why attacks on reasoned judge-alone decisions must be constrained: a judge cannot anticipate every possible attack that might be made by imaginative appeal counsel.

It is necessary to avoid creating an "unchartable universe of appellate review", as Abella J so picturesquely put it in R v O'Brien 2011 SCC 29 (9 June 2011), writing for herself, McLaughlin CJ, Deschamps, Rothstein, and Cromwell JJ.

So, if a judge says he relies "entirely" on particular evidence, this is not to be taken to mean he was unconsciously influenced by other, inadmissible, evidence. It means the opposite: he deliberately ignored what was inadmissible.

"17. A trial judge has an obligation to demonstrate through his or her reasons how the result was arrived at. This does not create a requirement to itemize every conceivable issue, argument or thought process. Trial judges are entitled to have their reasons reviewed based on what they say, not on the speculative imagination of reviewing courts. As Binnie J. noted in R. v. Sheppard, 2002 SCC 26 (CanLII), 2002 SCC 26, [2002] 1 S.C.R. 869, at para. 55, trial judges should not be held to some "abstract standard of perfection"."

Even so, there can be room for disagreement on appeal about what the judge meant, as occurred in this case. The way to avoid this is for judges to be specific about their treatment of inadmissible evidence, even if counsel had not objected to that evidence at the trial.

Raising the bar

2011-06-02T11:42:00.001+12:00

For a collection of articles illustrating brilliant scholarship in our areas of interest, see the Journal of Commonwealth Criminal Law, available at the website of the Association of Commonwealth Criminal Lawyers.

New complications for old

2011-05-31T17:39:00.003+12:00

Mahomed v R [2011] NZSC 52 (19 May 2011) shows that the law of similar fact evidence is still contentious. It has recently been reformed, by calling it propensity evidence and by enacting it. Sections 40-43 of the Evidence Act 2006 [NZ] replace the common law on this topic.

In Mahomed the Supreme Court split 3-2 over what items of evidence were included as propensity evidence. The majority focused narrowly on one incident, and the minority said it was artificial to take an "atomistic" approach [73] and instead the overall pattern of events had to be looked at. The same split occurred on whether the propensity evidence was admissible: the majority said the one incident was only admissible on one of the four counts, whereas the minority said the overall pattern of events was admissible on all counts.

Further, the judges split into the same groups on whether it was appropriate to consider in detail the kinds of directions that juries should be given. The majority chose not to go into this, whereas the minority analysed the use and risks of propensity evidence, when a direction should be given and what it should say.

Conveniently, the consistency of the split between the members of the Court made it only necessary to deliver two judgments. The majority judgment of Elias CJ, Blanchard and Tipping JJ was delivered by Tipping J, and for the minority William Young J delivered the judgment of himself and McGrath J.

As the majority found there had been a miscarriage of justice arising from the way the judge had instructed the jury (he had followed a Court of Appeal ruling in this case – R v Mahomed [2009] NZCA 477 - which had held that the evidence was admissible on all counts), it had to consider whether to apply the proviso. As it happened, doing this by applying R v Matenga [2009] NZSC 18 (an approach I have criticised here, for example on 20 July 2009 and 1 January 2010) involved no greater discussion of the prosecution case that would the more conventional method for deciding conviction appeals which asks whether there was a real possibility that the error at trial affected the verdict (see Fraser v HM Advocate [2011] UKSC 24, discussed here on 26 May 2011).

The Mahomed minority's analysis of types of propensity evidence, identifying categories and sub-categories, and allowing that some instances may require swapping between categories depending on the strength of the evidence, leaves one wondering if the subject is set to become, once more, over-academicised. Complications arising from "coincidence" reasoning (eg at [51]) tend to confuse rhetoric with substance. When a prosecutor argues that either the defendant is guilty or that he is the victim of an amazing coincidence through being falsely accused by independent complainants, that rhetoric is really a reflection of the denominator of the Bayesian likelihood ratio: the low probability of getting the accusations on the assumption that the defendant is innocent.

The prosecutor's argument is sound, but it does not generate a new category of propensity evidence (see [85(a)], and [87] where Hudson v R [2011] NZSC 51 is said in footnote 50 not to be an appropriate case for coincidence reasoning). But coincidence is just another word for "low probability" and as para [59] of Hudson points out coincidence reasoning there was unnecessary as it would have duplicated ("elaborated") what the judge had told the jury. The prosecution would have said there that as the defendant had a motive, commission of the offence by someone else would by an unlikely coincidence. It comes down to the low probability of getting the evidence of motive on the assumption of innocence, and the high probability of getting it on the assumption of guilt.

There was unanimity on the relationship between the balancing exercises in s 8 and s 43 which both address probative value and prejudicial effect. In the context of propensity evidence, s 43 is the sole balancing exercise: majority at [5], minority at [66-67]. The minority do, however, accept a theoretical case of equal balance, but I think that is a misconception. The balancing metaphor in both sections does not work like a weighing of commodities. What needs to be avoided is a real risk of unfairness to the defendant, and probative evidence can "outweigh" that risk if admission of the evidence does not give rise to that risk. The Court of Appeal recognised this in Vuletich v R [2010] NZCA 102 per Glazebrook J at [27] and Randerson J at [96], rejecting a suggestion that had been made in Stewart (Peter) v R [2008] NZCA 429 by Baragwanath J to the effect that highly probative evidence could only be inadmissible if it gave rise to a level of illegitimate prejudice that was even greater. It would have been useful for the Supreme Court to have addressed this fundamental issue in Mohamed.

Non-disclosure and trial fairness

2011-05-26T11:44:00.003+12:00

An appellate court often has to ask whether a trial was fair. Statutory requirements for allowing conviction appeals usually include "a miscarriage of justice". What does that phrase mean for the purposes of assessing whether the trial was fair? The United Kingdom Supreme Court addressed this in Fraser v HM Advocate [2011] UKSC 24 (25 May 2011).

In this case information had not been disclosed to the defence, and had it been disclosed the conduct of the case for each side would have been different. Therefore, non-disclosure here went to the question of trial fairness [32].

The question of trial fairness is not answered by considering what verdict the appellate judges would have reached at a hypothetical trial [38]:

"One cannot, of course, avoid making some assumptions as how the trial might have been conducted if the material had been disclosed to the defence. It will always be a question of degree as to how far it is proper to go in carrying out that exercise. But the purpose of doing this is to assess the extent to which, having regard to the way the case was conducted by the Crown, the material would have weakened the Crown case or strengthened the case for the defence. It is on the case as presented at the trial that the court must concentrate, rather than the case as it might have been presented. It is not for us to speculate as to what the case might have been, much less how the jury would have reacted to it. What the Crown asks us to do, and what it persuaded the Appeal Court to do, was to consider the case on the basis that the discovery of the rings on 7 May was indicative of the appellant's guilt for completely different reasons from those advanced at the trial. In effect we were being asked to deal with the case as if we were a new jury trying the case for the first time. This is not permissible. Our task is quite different but entirely clear. As the Appeal Court said in McCreight v H M Advocate [2009] HCJAC 69, 2009 SCCR 743, para 95, it is not the court's task to decide what the outcome of the trial would have been if the trial had been conducted on an entirely different basis. We must ask ourselves whether, in the light of the undisclosed evidence, there is a real possibility that the jury at this trial would have arrived at a different verdict."

The trial would have been unfair if there was a real possibility that had the error not occurred the jury would have reached a different verdict.

The case illustrates how an appellate court should apply this test. At trial the prosecution had alleged that the defendant's guilt of his wife's murder was demonstrated by her rings that could only have been found where they were if he had removed them from her corpse. The non-disclosed evidence was that the rings had been at that location before she died.

"[39] The proposition that the appellant had returned the rings to the bathroom on 7 May was, as the Advocate Depute said in his address to the jury, the cornerstone of the Crown's case. It is clear, in view of the direction that was then given to them by the trial judge, that the jury must have concluded that the appellant put the rings in the bathroom on 7 May. This was the basis for the Crown's theory that he had obtained the rings from the deceased's dead body and had placed them in the bathroom to create the impression that she had left the matrimonial home with the intention of turning her back on the life that she had had there. This theory would have been undermined by the evidence of PC Lynch and WPC Clark. It would have been challenged by lines of cross-examination of the Crown witnesses that were never developed at the trial, and by questions that were never put to the appellant in chief or in re-examination. The point could have been made that it was improbable that, if the rings were in the bathroom on 28 and 29 April when the police visited the house, the appellant would have removed them and then chosen to return them on 7 May. The theory that he removed them from the dead body would, if the evidence of PC Lynch and WPC Clark were to be accepted, have been untenable. These and other arguments that the defence would have been able to develop would have struck at the heart of the case that the Crown presented. The trial would have been significantly different had the material that was not disclosed been available. There is a real possibility that this would have been sufficient to raise a reasonable doubt about the Crown's case that the appellant returned the rings to the bathroom on 7 May. If that were so, the jury's verdict would be bound in view of the trial judge's direction to have been different."

It was the real possibility of a different verdict that made the trial unfair.

Non-disclosure significantly affected the course of the trial. This was not a case of freshly discovered evidence, although I think the difference should be immaterial because the ultimate question is whether there is a real possibility that the omission affected the verdict.

I have suggested that all conviction appeals raise issues of trial fairness. This is because a fair trial is one where the law is properly applied to facts that are determined impartially. "Impartially" is used in a wide sense to include actual and apparent bias as well as inaccuracy. Even appeals challenging jurisdiction raise fairness in this sense, as without jurisdiction the law is not properly applied. Fresh evidence appeals also concern fairness, as the newly discovered evidence may demonstrate a real possibility that the verdict was wrong. There can be unfairness even if the verdict was not affected, where the law was not properly applied, but this was not that sort of appeal.

I have recently (7 April 2011) mentioned misuse of hypotheticals by appellate courts, and have also criticised the usurpation of the jury role by appeal judges, for example here (9 July 2009) and here (25 June 2007), and here (16 January 2006).

Writing for judges

2011-05-25T16:13:00.001+12:00

Do not even consider living a day longer without reading these interviews with the Justices of the United States Supreme Court: The Scribes Journal of Legal Writing (2010) vol 13, available here.

Because brevity wins, I leave it at that, except to mention this teaser by Roberts CJ:

"What the academy is doing, as far as I can tell, is largely of no use or interest to people who actually practice law."

Avoiding the paperwork

2011-05-19T16:53:00.017+12:00

The United States Supreme Court has handed police what may seem to be a legal way of searching homes without the need to obtain warrants: Kentucky v King USSC No 09-1272 (16 May 2011). When should a defendant's suspicious behaviour be ignored when the adequacy of grounds for a warrantless search is being assessed by a court?

The fundamental requirement is that there should be reasonable grounds for a search. The police need not apply for a search warrant, even if they have grounds to obtain one. The opinion of the Court, delivered by Alito J and joined by Roberts CJ, Scalia, Thomas, Kennedy, Breyer, Sotomayor and Kagan JJ (Ginsburg J delivered a dissenting opinion), mentioned five reasons for not requiring a warrant. They are set out at p 12 of the slip opinion. I summarise:

The police may wish to speak to the occupier to see if it is worth getting a warrant.
The police may want to ask the occupier for consent because that would be easier.
They may want more evidence before submitting a marginal application for a warrant.
They may want evidence to justify a broader warrant than they currently have grounds for.
They may not want to disclose that they have grounds for a warrant because that might alert other suspects.

These were held to be legitimate law enforcement strategies. There will, I acknowledge, be occasions when resort to them is reasonable. It may be absurd to require the police to hold off conducting a search while they apply for a warrant, as indeed it would have been on the facts of the present case. However, the danger is that the safeguards involved in the warrant procedure will be cast aside in favour of expedience on the basis of an imagined urgency. It would be easy for the police to claim that they heard what seemed to be an attempt to destroy evidence, and a citizen subject to warrantless search of his home would be unlikely to be able credibly to challenge its legality. It would be inappropriate for a judge to take any but a very cautious approach to evaluating the credibility of police claims of such urgency.

Nor is it appropriate to pretend that the police may always behave as if they were private citizens as far as door-knocking is concerned, as the majority do at p 16. Private citizens are not state agents collecting evidence to prosecute suspected offenders. It is disingenuous for the Court to hold that occupiers may "stand on their constitutional rights" and not answer the door or allow police entry, but if they "elect to attempt to destroy evidence [they] have only themselves to blame for the warrantless exigent-circumstances search that may ensue."

One would think that, on this approach, a refusal by an occupier to allow police entry would be understood by the police to be an attempt to preserve an opportunity to destroy evidence, and would therefore be justification for a warrantless entry and search.

The opportunities for abuse of powers in this context are such that, for people who regard the Fourth Amendment as a proper restraint on executive power, Ginsburg J's dissent may be considered the sole voice of reason in this case.

But the case is not about random door-knocking by the police. The police believed that the smell of cannabis was coming from a specific apartment.

The ratio of this case is that in deciding whether a warrantless search was reasonable the court will need to consider all the circumstances, and unreasonable police conduct does not give rise to reasonable grounds. This is unobjectionable as a legal rule. If it had been unreasonable for the police to knock on the door in this case, the police would not have been able to rely on subsequent inferences they drew as to risk of destruction of evidence (the exigency). There was no evidence here (pp 17-18) that the police had acted unreasonably prior to entry, so (p 19) the exigency justified the warrantless entry. This was on the Court's assumption, for the purposes of argument (p 17), that there was in fact an exigency here. This assumption was only necessary if, without the exigency, there would have been inadequate grounds for entry. So the police here had reasonable grounds for knocking on the door but, at that point, not for entry, but when (if) the exigency occurred they had (would have had) reasonable grounds for entry. The case was remanded to the Kentucky Supreme Court for further proceedings not inconsistent with the Court's opinion.

A strange thing about this case is why exigent circumstances were relevant. If the police smell cannabis ("marijuana") smoke and establish that it is coming from private property, they would have reasonable grounds to believe that an offence was being committed and so could search without warrant: for example, R v Gurnick [1999] NZCA 19, (1999) 16 CRNZ 513 (CA). But the position is different in the US, where there is a stronger preference for grounds to be assessed by a neutral official: Johnson v United States, 333 U.S. 10 (1948). In that case the smell of opium from a hotel room, without the risk of a suspect fleeing, or of destruction of evidence, was not grounds for a warrantless search.

Counter-intuitive evidence: should neutrality be sought?

2011-05-19T11:54:00.002+12:00

Correction of wrong intuitions is important to prevent jury bias. Commonly held assumptions about the way a complainant should behave may unfairly affect the jury's assessment of that person's credibility.

Delay in complaining, or the continuation of a relationship between the complainant and the defendant, might be thought to undermine the credibility of the complainant. They may indeed undermine credibility on the facts of a particular case, but it would be wrong for the jury to apply a rule of thumb when assessing the evidence.

In M (CA23/2009) v R [2011] NZCA 191 (18 May 2011) the New Zealand Court of Appeal considered ways of countering the wrong intuitions that jurors may have about the significance of such circumstances to credibility. It referred in particular to decisions of the Supreme Court of Canada, R v DD 2000 SCC 43, [2000] 2 SCR 275, and the Court of Appeal of England and Wales, R v Miller [2010] EWCA Crim 1578. Expert witnesses may give evidence on the counter-intuitive significance of such circumstances, the judge may direct the jury on the dangers of making assumptions, or counsel may agree on a statement to the jury on the point.

Those techniques of countering wrong intuitions are aimed, said the Court in M(CA23/2009) at [25], adopting a comment by the New Zealand Law Commission, at restoring a complainant's credibility from a debit balance because of jury misapprehension, back to a zero or neutral balance. It needs to be added that the defendant should also be allowed to use these techniques to prevent wrong intuitions being used against him.

We might wonder whether the aim of setting the credibility balance back to neutral is necessarily correct. Some kinds of behaviour may well indicate reliability in general. Not everything is neutral. Delay may be neutral, but a quick complaint may in the generality of cases indicate reliability. The continuation of an apparently good relationship between the complainant and the defendant may be neutral, but a sudden breakdown of a relationship may in general indicate that the complaint is true. Or in turn those intuitions may prove to be false. What do the scientific studies show?

There is no reference in M(CA23/2009) to statistical data on the significance of types of behaviour to the truth or falsity of complaints. But at least we can say that logically it is necessary to compare the occurrence of the behaviour in the cases of true complaints, to its occurrence in the cases of false complaints.

The jury must not be left in the impossible position of having to use their collective common sense while at the same time treating as neutral behaviour that may well be useful in assessing credibility. How can a jury decide the significance of such behaviour in the particular case without putting it in a more general context?

Compensation for wrongful convictions

2011-05-15T12:33:00.010+12:00

When should a person whose conviction has been quashed receive compensation? This question of entitlement is different from the question of quantum of compensation. Although it is arguable that the two questions should be considered together, they were not in Adams, R (on the application of) v Secretary of State for Justice [2011] UKSC 18 (11 May 2011).

Two poles are identifiable: one is that people who are actually innocent should receive compensation after erroneous conviction, and the other is that no one who is actually guilty should receive compensation after erroneous conviction. By "erroneous" conviction I mean not in accordance with the law.

The problem is to navigate between these poles when interpreting the criteria for compensation. In this case it was the interpretation of s 133 of the Criminal Justice Act 1988[UK] that governed the issue, in particular the phrase "a new or newly discovered fact shows beyond reasonable doubt that there has been a miscarriage of justice". The Court split 5-4 on what this should mean.

The dissenters were particularly revolted by the thought that a person who was in fact guilty might receive compensation after erroneous conviction. Lord Brown (with whom Lord Rodger agreed without delivering a separate judgment) said at [281]:

"Why should the state not have a scheme which compensates only the comparatively few who plainly can demonstrate their innocence – and, as I have shown, compensate them generously – rather than a larger number who may or may not be innocent?"

The minority would accept that some people who really were innocent should be denied compensation in the interests of avoiding giving compensation to the actually guilty. Other minority judges were Lord Judge and Lord Walker.

Lady Hale succinctly addressed Lord Brown's "palpable sense of outrage" [116]:

"Innocence as such is not a concept known to our criminal justice system. We distinguish between the guilty and the not guilty. A person is only guilty if the state can prove his guilt beyond reasonable doubt. This is, as Viscount Sankey LC so famously put it in Woolmington v Director of Public Prosecutions [1935] AC 462, at p 481, the "golden thread" which is always to be seen "throughout the web of the English criminal law". Only then is the state entitled to punish him. Otherwise he is not guilty, irrespective of whether he is in fact innocent. If it can be conclusively shown that the state was not entitled to punish a person, it seems to me that he should be entitled to compensation for having been punished. He does not have to prove his innocence at his trial and it seems wrong in principle that he should be required to prove his innocence now."

She agreed (as did Lords Hope, Kerr, and Clarke) with the test formulated by Lord Phillips at [55]:

"A new fact will show that a miscarriage of justice has occurred when it so undermines the evidence against the defendant that no conviction could possibly be based upon it."

The person does not have to show his innocence beyond reasonable doubt.

Under this test there will be occasions where people who are in fact guilty are entitled to compensation. Such cases may occur where, as Lord Brown mentioned at [280] a person against whom there is inadmissible intercept evidence that unequivocally demonstrates his guilt, could not on admissible evidence be convicted.

The answer to that difficulty is that compensation in such cases should be derisory only. An award of contemptuously small compensation would show society that the person was in fact guilty, and it would deter such people from seeking compensation.

It should be stressed that this case does not establish a meaning for "miscarriage of justice" beyond its specific statutory context. As Lord Phillips observed at [9], this phrase is capable of having a number of different meanings.

Although there are 284 paragraphs in the case, it is easy to read because the judgments are divided into consistent headings, and the dissenters are left to the end under their own heading. Other topics dealt with are the meaning in this context of the phrase "a new or newly discovered fact" and the relationship between the presumption of innocence and a claim for compensation.

In New Zealand this sort of compensation is governed by Cabinet Guidelines introduced in 1998. Claimants have to be alive at the time of the application, have served all or part of a term of imprisonment, had their convictions quashed on appeal without an order for retrial (or have received a free pardon), and must be able to prove on the balance of probabilities that they are innocent of the crime for which they were convicted. This is a more restrictive entitlement than in the UK. There is, however, a "residual discretion" that allows the Crown to consider claims falling outside the guidelines in "extraordinary circumstances" where it is in the interests of justice to do so. So, where a person is acquitted following a retrial he is outside the guidelines, so he must show "extraordinary circumstances" to demonstrate that it is in the interests of justice to award him compensation. This may well mean that if such a person is able to show to a standard higher than the balance of probabilities that he is in fact innocent, it would be in the interests of justice to award him compensation. The guidelines are not, therefore, unduly concerned with failure to compensate people who are really innocent, and they are arguably over-concerned with avoiding compensating people who are really guilty. Some flexibility in the quanta of awards could be a way of making the scheme more just.

The New Zealand Law Commission had recommended the requirement of proof of innocence and para 127 of its 1998 Report No 49 "Compensating the Wrongly Convicted" received citation in Adams, R (on the application of) v Secretary of State for Justice: [47] Lord Phillips, [173, 175] Lord Kerr. The Commission proceeded on the basis that actual innocence is the justification for compensation, but the majority of the United Kingdom Supreme Court held that excluding from entitlement people who no longer seemed to be guilty but whose innocence could not be established was a heavy price to pay for ensuring that no guilty person ever gets compensation (Lord Phillips at [50]).

The NZLC Report starts with a controversial assertion, saying in para 1 "The essence of a free society is the freedom of a law-abiding citizen to act without interference by the state." That begs the very question the state has been unable to answer lawfully. In view of the Report's conclusions, it is a tyrant's assertion, requiring the citizen to prove he is law-abiding. Instead, the essence of a free society is the freedom of all people, whether law-abiding or not, to act without unlawful interference by the state. The rule of law requires the state to prove that interference with the citizen's liberty is justified. The United Kingdom Supreme Court's majority approach survives the moral analysis advocated by Dworkin (see my review of "Justice for Hedgehogs" 25 April 2011), whereas the New Zealand one does not.

To put or not to put?

2011-05-11T16:59:00.004+12:00

I suppose the most general lesson that can be learnt from the fact-specific decision of the High Court of Australia in Braysich v R [2011] HCA 14 (11 May 2011) is that rulings on whether there is sufficient evidence, at the conclusion of the case for the defence, for a defence to be put to the jury should not be based on narrow assumptions about how the evidence in the case is to be analysed.

Again, in the most general of terms, where it is an offence to do X but there is a statutory defence of absence of intention to do Y, and where the defendant has denied doing X, evidence about X might also be relevant to Y.

So, where a sharebroker facilitates the transfer of legal ownership of shares, when in fact the beneficial ownership does not change, he is deemed to have committed the offence of creating a false appearance of active trading in those shares, but he has a defence if he proves he did not have the purpose of creating that appearance (see para [5-8] of Braysich for the relevant legislation). The circumstances in which he transferred the shares may be relevant to whether he had the proscribed purpose. When he denies knowing that the beneficial ownership did not change, evidence of his good character will be relevant to that, and it will also be relevant to whether he had the proscribed purpose.

Obvious though this may be in retrospect, the Court split 3-2 on whether the defence case was sufficient to raise the defence of absence of the proscribed purpose. Heydon J agreed with Bell J and added [54] that all the defendant had done at trial was to point to evidence which, although not inconsistent with the absence of purpose did not actually support absence of purpose. Bell J [116] considered that there was no evidence of any purpose other than the impugned purpose. Although the defendant had acted for fees for valued clients, that could not, without more, establish that it was probable that he did not have that purpose. The majority, French CJ, Crennan and Kiefel JJ, held that on the view most favourable to the defendant the jury could well have asked whether it was really likely that an honest man who is acting on instructions from reputable people, who he has no reason to believe have a dishonest purpose, would himself have that dishonest purpose when he is aware of the business rules and the law [47], and that therefore the defence should have been put to the jury.

There was no disagreement about what the law is on whether a defence should be put to the jury. The relevant question in this case was [36]:

"In a case in which both the legal burden and the evidential burden rest upon the accused – is there evidence which, taken at its highest in favour of the accused, could lead a reasonable jury, properly instructed, to conclude on the balance of probabilities that the defence had been established?"

Why the big difference between the majority and the minority? I suspect the minority have taken the stance that unless an individual item of evidence gives rise to a probability of innocence greater than 0.5, it does not support the defence. This approach allows the minority to say that evidence that is merely consistent with absence of purpose does not support absence of purpose. The correct way to look at this, as Bayesian logicians tell us, is to ask what is the probability of getting the evidence, assuming the defendant is innocent, compared to the probability of getting it, assuming that he is guilty. Comparison of those probabilities, assessed intuitively, would indicate that each of the items of evidence relied on by the defendant was more likely to exist if he was innocent than if he was guilty, so they individually and in combination support the defence.

Offensive or disorderly behaviour

2011-05-06T15:34:00.012+12:00

"Offensive or disorderly" behaviour in terms of s 4(1)(a) of the Summary Offences Act 1981 are

"two sides of the same coin, both directed at the preservation of public order. On this view, "offensive" behaviour is behaviour productive of disorder. It is not sufficient that others present are offended if public order is not disrupted. On the other hand, it is not necessary that the conduct be violent or likely to lead to violence since behaviour with that effect constitutes the more serious offence described by s 3 of the Summary Offences Act. The behaviour must however be such as to interfere with use of public space by any member of the public, as through intimidation, bullying, or the creation of alarm or unease at a level that inhibits recourse to the place."

Per Elias CJ in Morse v Police [2011] NZSC 45 (6 May 2011) at [2] and [33]. The other members of the Court agreed: Blanchard J at [62-65] (offensive behaviour may produce actual disorder or it may indirectly affect public order by wounding the feelings of or arousing anger resentment or disgust or outrage in a reasonable person who takes a balanced rights-sensitive view tolerant of the rights of the defendant); Tipping J at [69-71] (although ordinary notions of causing offence must be relevant so that those affected are substantially inhibited in carrying out the purpose of their presence at the place where the impugned behaviour occurred); McGrath J at [102-103,117] (ordinary notions of causing offence are relevant, but the interference must be beyond what a democratic society is expected to tolerate, it must be a serious interference with the standards reflected in community expectations); Anderson J at [124] (the legislation is concerned with public circumstances of more significance than discourtesy or private upset).

So that's the behaviour and the person it must affect. I don't agree with the Court's media release which states that Elias CJ dissented, perhaps with Anderson J, on the description of the impugned behaviour. One must not read a case as if it were a statute, and here the required minimum for liability is the ratio. Differences in diction should not distract from the core of agreement. Tipping J expresses his disagreement with Elias CJ at [69], stressing at [70] that conduct is not offensive just because someone who is unduly sensitive to it reacts in a way that threatens public order. But Elias CJ would not have used the standard of the reaction of anyone, instead at [40] she requires tolerance of expressive behaviour by people using public places, and holds that a disproportionate reaction would make a conviction substantively unreasonable. In short, although Elias CJ is concerned to avoid subjective things like mere annoyance without disorder counting as offensive behaviour [30-31], her definition of public disorder, quoted above, includes "the creation of alarm or unease at a level that inhibits recourse to the place" which, if you accept than an annoyed person may well wish not to have been there to see the offensive behaviour, is not significantly different from applying the standard of the tolerance of the reasonable person who is conscious of the defendant's rights. If there is a difference between the judges, it is superficial and hardly warrants being called a dissent.

The next matter is how to apply the criteria for the behaviour and the person it must affect to the facts of the case.

In Brooker v Police [2007] NZSC 30 (discussed here on 4 May 2007) there was a difference between the judges on whether a rights limitation or a rights balancing approach to this was appropriate, and the same difference is echoed by two of the judges in Morse. Elias CJ at [13-16] considered that the criminal law and limitations on rights must be capable of ascertainment in advance, and that balancing would be contrary to the need to give the legislation a meaning consistent with rights if it can (citing s 6 New Zealand Bill of Rights Act 1990), and that the first responsibility of the courts is interpretive. Her point is that the legislature carried out the only necessary balancing when it formulated the offence to require an impact on public order. McGrath J, on the other hand, held that balancing is appropriate when applying the criteria to the facts, so it must be carried out in the circumstances of each case [106-107]. A different metaphor, the reaching of a threshold of interference with the rights of members of the public, was used, expressly or impliedly, by Blanchard J at [64],Tipping J at [71], Anderson J at [127]. Elias CJ also favoured an objective standard for whether the defendant's conduct was disruptive of public order [39]. This is a direct application of the threshold requirement to the facts without engaging in an exercise of rights limitation or balancing.

The rights limiting model uses s 5 of the Bill of Rights to find the point at which a limitation on rights is justified, although it can be a matter of dispute as to whose right, the defendant or the victim, should be subject to justified limitation. The balancing model involves judicial weighing of the values that underlie the competing rights. McGrath and Thomas JJ did this in Brooker, but in Morse McGrath J combined balancing with the question of justified limitation under s 5. The threshold model is the preferred method for applying the criteria to the facts, in which the standard is what should be tolerated by the reasonable person who respects the defendant's competing right.

The case itself had been treated erroneously by the lower courts because they had overlooked the requirement that to be offensive or disorderly in this legislative context the defendant's behaviour needed to have a bearing on public order. Had that not been overlooked, the defended hearing would most likely have taken a different course. In view of the history of the case, and the fact that the offence was punishable only by a fine, the Court quashed the conviction and did not order a rehearing.

Morse does not address the mental elements of the offence, and we are not told whether the judges would have decided that the relevant conduct (the defendant, in protest at this country's military involvements, burnt a New Zealand flag within view of people who were participating in a war remembrance service to mark ANZAC day) was offensive or disorderly. There seems to be no doubt that it was capable in this sense, but there was insufficient evidence about whether it actually had the necessary impact on public order (Elias CJ at [57], Blanchard J at [59], Tipping J at [73], McGrath J at [119] and Anderson J at [129-130]).

This was a hollow victory for the appellant, as Morse takes rights disputes out of this part of the law and returns the discussion to the familiar territory of reasonableness.

Sorry, I can’t think of a heading for this one ...

2011-05-04T17:02:00.005+12:00

Pfennig v R (1995) 182 CLR 461; [1995] HCA 7 is rather restrictive on the admissibility of similar fact evidence. (See my discussion of this case in the entry for 26 April 2008.) Legislation may well take a different stance, as is illustrated by Roach v R [2011] HCA 12 (4 May 2011). A statute providing that relevant evidence is admissible unless it would be unfair to admit it (ss 130 and 132B of the Evidence Act 1977 (Q)) establishes a fairness discretion. The Pfennig rule does not require a balancing of the relevant considerations of probative value and prejudicial effect that is inherent in the fairness discretion, and it cannot be imported into the exercise of that discretion. As Heydon J noted at [64]:

"... The Pfennig test is very favourable to the interests of the accused and very restrictive of the prosecution's capacity to use similar fact evidence. In principle, many may think those to be attractive consequences of the test, but, as already noted, many legislatures, including the Queensland legislature, have not thought so. A construction of s 130 which would incorporate the Pfennig test when the court considers exercising its powers preserved by s 130 would be bringing in at the second stage of an admissibility inquiry a strict rule which the legislature had been concerned to exclude at the first stage by force of s 132B... ."

A couple of interesting points were considered in another case today: SKA v R[2011] HCA 13 (4 May 2011). When an appeal is on the grounds that the verdict was unreasonable, should the appellate court look at a video recording of the complainant's evidence? Should the appellate court have regard to the trial judge's report that stated he thought the verdict was wrong? The High Court was unanimous on those points: there would need to be special reasons for the appellate court to watch the video, as doing so could give undue emphasis to only part of the evidence in the case. If a full written record of the evidence is available it should usually be sufficient for appeal purposes. And the trial judge's opinion was normally irrelevant, it being for the appellate court to make its own assessment of the evidence. Here the majority of the High Court (French CJ, Gummow and Kiefel JJ) held that the lower appellate court had not carried out its function correctly, because it had not made its own independent assessment of the evidence; instead, it had simply asked whether there was, as a question of law, evidence to support the verdicts. No reason had been shown why the appellate court should view the recording, and there was no reason to treat the trial judge's opinion of the verdicts as being of assistance. Crennan J referred at [119] to Sloan [2001] NSWCCA 421; (2001) 126 A Crim R 188 on when a report from the trial judge might be appropriate:

"An important function of a report ... is to inform the Court of Criminal Appeal of any problems which might have emerged during the trial, which either do not appear on the face of the record, or which are imperfectly or ambiguously recorded.

"Another permissible and relevant function of such a report is its use, by a trial judge, to raise any matters of irregularity or otherwise, which may give cause for significant doubt in relation to a guilty verdict, and which again are not apparent upon a bare reading of the record.

" A third permissible reason for such a report is its provision, in response to a specific request from the Court of Criminal Appeal, in relation to any matter which may be of concern to it.

"Otherwise, in times where there is in existence an adequate system for court reporting, occasion for the provision of a ... report should only arise in exceptional circumstances. Its use in order to justify, or to explain a decision for which reasons should have been provided, is not such a circumstance."

For other approaches to how an appellate court should decide whether a verdict was unreasonable, see my discussion of Owen v R [2007] NZSC 102, noted here on 11 December 2007. In New Zealand we have an odd situation: if an appeal is brought on the grounds that the verdict was unreasonable, the appellate court will not reach its own decision on guilt or innocence, whereas if the appeal is brought on a ground which attracts the operation of the proviso, the appellate court will decide the question of guilt or innocence for itself. This is because of a relatively recent change in the interpretation of the legislation in which our Supreme Court blipped over to follow the High Court of Australia's decision in Weiss.

Book Review: Justice for Hedgehogs by Ronald Dworkin

2011-04-25T12:32:00.002+12:00

Even lawyers who are not interested in ethics and morals should be fascinated by the brilliant book Justice for Hedgehogs (2011) by Ronald Dworkin.

His treatment of parliamentary sovereignty points the way for twenty-first century policy in the light of law as an interpretive concept. This contrasts to Lord Neuberger MR's recent conservative treatment of sovereignty which may leave us wondering why history stopped after the civil war, the Glorious Revolution of 1688, the Bill of Rights 1689, and the Act of Settlement 1701. Has nothing happened since? Wasn't there a Holocaust? Do people not need protection against abuses by majorities? What if Parliament abolished judicial review or the ordinary role of the courts? Neuberger refuses to test the need for change against hard cases, saying that such arguments are unreal, they involve "postulating a wholly different Parliament from that which we have ever known" and – I sarcastically interpose - everyone in Northern Ireland would cheer to that, but he adds "and, if that arose, there would presumably be a very different judiciary from that which we have ever known." Amazingly, he continues "Further, a Parliament which was prepared to prevent citizens having access to the courts would presumably be unconcerned about the rule of law, in which case questions of constitutional sovereignty would be of no real significance in practice." Well, no, not if the judges sat on their hands. The issue would have to be fought out in the streets.

For those who dislike the idea of revolution as the only answer to a moral crisis of that magnitude, Dworkin's argument is compelling. His thinking has developed since (brace yourself, I'm going to use the cliché seminal) his seminal "Taking Rights Seriously" (1977). He now sees law as a branch of politics, rather than as a system separate from but interacting with morality. The change is because Dworkin has recognised the circularity of treating law and morality as separate but interrelated systems. How would they interrelate? If that is a legal question, the answer depends on an assumption about the role of morality in reading legal material; the alternative is to assume it is a moral question. This logical difficulty, says Dworkin, is what led to the "concept of law" jurisprudence, which treated the relationship between law and morality as neither a legal nor a moral question, but as a "conceptual" one. Here the problem is that people don't agree on which propositions of law are true. That, however, is unavoidable, and Dworkin looks to an integrated network of political value to construct a conception of law. Ethics produces personal morality which produces, as a subdivision, political morality which produces, as a subdivision, law. There may be, therefore, some valid laws that are too unjust to enforce.

But I have focused here on his final chapter, while on the way Dworkin has discussed a huge range of fascinating ethical and moral questions. His aim is to demonstrate how we can coherently think about questions of values. The integration of our understanding of interpretive concepts produces a unity of values. Interpretive concepts are those about which we share a general understanding, but we may disagree about their application in particular cases. Justice, right or wrong, helping, harming, keeping promises, obligations arising from relationships, equality, liberty, democracy, and law are all interpretive. The truth of an interpretation is determined by its consistency with the two principles of dignity. The first principle of dignity is that the success of one's own life has objective importance, and, as a corollary, all lives are equally important. The second principle of dignity is that we each have personal responsibility for our own life; we must each make our own decisions and so lead authentic lives. Self-respect comes from taking our own life seriously and in that sense living well: we must strive to make our own life a successful performance by creating value in it. The two principles of dignity interact to guide ethics (how to live well) and morality (how to treat others), which in turn are mutually reinforcing: living well requires treating others well, and respect for others enhances self-respect.

That is an outline of the skeleton of Dworkin's conception of the unity of value. There have been times when, as a lawyer, I have wished that the people who write complicated statutes would reveal the whiteboard diagram which they devised to guide their drafting. So too with this book. It has to be worked at rather than skim-read. Notes have to be scribbled in margins and end pages filled with references. Yes, the first chapter serves as a travel guide to the journey ahead, but there are times when Part One (Chapters 2 to 5) slows down while Dworkin deals with anticipated challenges from academic philosophers, requiring detailed conceptual distinctions on issues that most of us, since we have bought the book, will be prepared to take on trust just for the sake of getting to his point. But it would be wrong to be discouraged by the initial labours, as once we have appreciated the book as a whole we can go back to the details. Some readers might think a glossary would have been useful, but the index is a well designed work-around. Having grumped about diagrams, I suppose I should let you look at mine, here.

For an indication of what you will find in Justice for Hedgehogs, here is Dworkin's essay from a recent issue of the New York Review of Books (10 February, 2011).

This wonderful book will delight anyone who wants a systematic approach to deciding what is right. It would be a dull person indeed who did not feel the resonance of Dworkin's conclusion:

"Without dignity our lives are only blinks of duration. But if we manage to lead a good life well, we create something more. We write a subscript to our mortality. We make our lives tiny diamonds in the cosmic sands."

Interpretation of unfettered powers

2011-04-08T17:02:00.003+12:00

The granting by the legislature of unfettered powers on a court does not destroy all lawful restraint. In Lacey v Attorney-General of Queensland [2011] HCA 10 (7 April 2011) the High Court considered statutory interpretation, legislative purpose, jurisdiction, power, and the kinds of appeals that can exist.

The majority, French CJ, Gummow,Hayne, Crennan, Kiefel and Bell JJ, held that a provision saying an appellate court "may in its unfettered discretion vary the sentence and impose such sentence as to the Court seems proper" means that the appellate court must first be able to identify an error in the decision of the court below, and then the "unfettered discretion" gives the appellate court the power to do what it considers the lower court should have done [62].

The principle of legality is "the presumption that, in the absence of unmistakable and unambiguous language, the legislature has not intended to interfere with basic rights, freedoms or immunities" [43], and "judicial findings as to legislative intention are an expression of the constitutional relationship between the arms of government with respect to the making, interpretation and application of laws" [ibid].

The distinction between a power and the jurisdiction to exercise it is such that "The power given to the Court may inform the characterisation of its jurisdiction but does not necessarily define its content" [48].

Here the jurisdiction was indicated by the heading to the relevant provision, here simply the word "appeal". This encompasses the jurisdiction, and the question is, what kind of jurisdiction does it create? [56].

The majority set out the relevant classes of appeal for present purposes [57] (footnotes omitted):

"1. Appeal in the strict sense – in which the court has jurisdiction to determine whether the decision under appeal was or was not erroneous on the evidence and the law as it stood when the original decision was given. Unless the matter is remitted for rehearing, a court hearing an appeal in the strict sense can only give the decision which should have been given at first instance.

2. Appeal de novo – where the court hears the matter afresh, may hear it on fresh material and may overturn the decision appealed from regardless of error.

3. Appeal by way of rehearing – where the court conducts a rehearing on the materials before the primary judge in which it is authorised to determine whether the order that is the subject of the appeal is the result of some legal, factual or discretionary error. In some cases in an appeal by way of rehearing there will be a power to receive additional evidence. In some cases there will be a statutory indication that the powers may be exercised whether or not there was error at first instance."

Here the appeal was of the third kind [60] where the jurisdiction arose once the appellate court determined that an error had occurred in the court below.

Heydon J dissented, holding that the appellate court had first to decide whether it disagreed with the sentence imposed by the lower court to the extent that interference was merited, and if it did, then to vary the sentence in accordance with its perception of what was appropriate [94].

So the difference here was in practical terms about which sort of appeal was created by the legislation, and this difference was reflected in different use of legislative materials (here, speeches in Parliament). The majority noted [61] (footnote omitted):

"The Minister's words ... cannot be substituted for the text of the law, particularly where the Minister's intention, not expressed in the law, affects the liberty of the subject. In any event the Minister's Speech left open the question of the content to be given to the word "appeal" and thereby to the jurisdiction conferred upon the Court."

The last thing I want to do is to reveal my unsubtle mind, but I must be frank and admit I find the distinction between the first and third classes of appeal as described by the majority rather elusive, apart from the possible add-ons in the third. This, I trust, is the judges' fault, not mine. More clarity in future please.

Dangerous hypotheticals

2011-04-07T09:33:00.007+12:00

One of the common judicial rear-protecting stratagems is to reason in the form "even if I'm wrong, I'm right."

That is, a decision on the basis of particular assumptions would be the same if those assumptions were wrong.

For example, if evidence is ruled admissible on the basis that there was no impropriety in the way it was obtained, a judge may say that even if the alleged impropriety had existed the evidence would still have been excluded.

I criticised that sort of reasoning a while ago: "Shaheed balancing: three propositions" [2004] New Zealand Law Journal 475. So did the Chief Justice last month, when with Blanchard, Tipping and McGrath JJ she delivered the reasons for granting leave to appeal in Hamed v R [2011] NZSC 27 (24 March 2011) at [15]:

"[15] Although the Court of Appeal indicated its view, in application of s 30 of the Evidence Act, that all the evidence should be admitted even if unlawfully obtained or obtained in breach of s 21 of the New Zealand Bill of Rights Act, we have some doubts as to whether it was in a position to express a view on the proportionality of exclusion. An assessment of this kind requires the gravity of the infringement to be carefully balanced against the benefits of admission of the evidence. Since the Court of Appeal took the view that there was no infringement, it was an unnecessary and perhaps artificial exercise for it to undertake the s 30 assessment in respect of the evidence it considered to have been lawfully obtained under s 198 warrants."

The misuse of hypotheticals is quite common. The Supreme Court did it itself in a passage that I have only now noticed: in Condon v R[2006] NZSC 62, an important decision on the status of the right to a fair trial, noted here in August 2006. In its penultimate paragraph the Court says [89]:

"After considering all of these matters, we have not been persuaded that the outcome of the trial would necessarily have been the same if Mr Condon had been legally represented. In our view there was therefore unfairness in the trial and accordingly a substantial miscarriage of justice has occurred."

The trouble here is that the result if there had been no error (ie if legal representation had been obtained), that is, if the trial had been fair, is irrelevant to the question of whether the trial had been fair. If the trial was unfair the conviction had to be quashed, regardless of the strength of the prosecution evidence. If an error at trial caused a real risk that the jury would not be impartial, that would render the trial unfair. A partial jury could nevertheless reach a correct verdict, but it would still be a partial jury delivering a verdict at an unfair trial.

On this point the Court had reasoned better in Sungsuwan v R [2005] NZSC 57, which was noted here in August 2005, and I observed that the majority of the Privy Council in Howse v R (New Zealand) [2005] UKPC 31 had fallaciously asked what course the trial would have taken if the relevant errors had not occurred. The way to avoid this artificial exercise is to ask, given that the errors occurred, what was their effect on the fairness of the trial.

In Sungsuwan the effect of the error on the verdict was a sufficient, but not a necessary, condition for a finding that the trial was unfair. It is one of the ways in which unfairness may be manifest. Another is where partiality existed although the verdict was inevitable. The sufficient condition should not be treated as if it was a necessary condition, as occurred in Matenga v R [2009] NZSC 18 at [31] footnote 39 where the Court defined a substantial miscarriage of justice as one which affects the result of the trial.

Abuse of process, stay of proceedings, and integrity

2011-03-31T17:00:00.007+13:00

The inherent power of a court to stay criminal proceedings on grounds of abuse of process is a discretionary matter, not to be fettered by rigid classifications of kinds of official misconduct: Warren v Attorney General of the Bailiwick of Jersey (Court of Appeal of Jersey) [2011] UKPC 10 (28 March 2011).

There are, said Lord Dyson delivering the leading judgment, two categories of case in which a stay may be justified: (i) where a fair trial could not be held; (ii) where continuing the proceedings would offend the court's sense of justice and propriety [22, quoting R v Maxwell [2010] UKSC 48 at 13, a decision not yet published].

These should not be confused, and it is unhelpful to refer to fairness when discussing the second category (Lord Kerr at [84]).

The signal here [this is me now, not a Lord] is that what is often referred to as "public policy fairness" should now be called something like "public policy grounds" or "the public policy category".

The circumstances of each case are critical, and the classic cases - R v Looseley [2001] 1 WLR 2060; R v Latif [1996] 1 WLR 104; R v Horseferry Road Magistrates' Court, Ex p Bennett [1994] 1 AC 42 - must be read in this light. Lord Dyson added [26]:

"The Board recognises that, at any rate in abduction and entrapment cases, the court will generally conclude that the balance favours a stay. But rigid classifications are undesirable. It is clear from Latif and Mullen [[2000] QB 520] that the balance must always be struck between the public interest in ensuring that those who are accused of serious crimes should be tried and the competing public interest in ensuring that executive misconduct does not undermine public confidence in the criminal justice system and bring it into disrepute. It is true that in Bennett the need for a balancing exercise was not mentioned, but that is no doubt because the House of Lords considered that the balance obviously came down in favour of a stay on the facts of that case (the kidnapping of a New Zealand citizen to face trial in England)."

Any virtue that might have been thought to attach to Mr Bennett, through giving his name to a leading case on police misconduct, is dispelled in the present case by Lord Hope, who adds at [64-68] a detailed examination of the facts of that case.

Does the emphasis on the facts of each case erode the value of these cases as precedents? Does the balancing exercise leave the law unacceptably vague? On appeal the question will be whether the decision to refuse a stay was perverse or was one which no reasonable judge could have reached [51].

Judgments may tend to pull in two directions: to condemn the misconduct of officials while at the same time holding that a stay was not required. That was the position here. Looking at the misconduct from a (considerable) distance – the placing of audio surveillance equipment in a car without lawful authority and giving the impression that permission had been obtained – this was not a case of serious misconduct. But one would think it was, given the stern protestations of Lord Dyson [45-46], Lord Hope [61-62, 68], Lord Rodger [70-71], Lord Brown [78], and Lord Kerr [81-82]. There were circumstances that mitigated the wrongfulness, summarised by Lord Dyson at [47-50].

The Board found useful the summary of the balancing exercise appropriate to the second category of abuse of process cases (no balancing being appropriate where a trial would not be fair) given by Professor A L-T Choo in Abuse of Process and Judicial Stays of Criminal Proceedings, 2nd ed (2008), at p 132:

"The courts would appear to have left the matter at a general level, requiring a determination to be made in particular cases of whether the continuation of the proceedings would compromise the moral integrity of the criminal justice system to an unacceptable degree. Implicitly at least, this determination involves performing a 'balancing' test that takes into account such factors as the seriousness of any violation of the defendant's (or even a third party's) rights; whether the police have acted in bad faith or maliciously, or with an improper motive; whether the misconduct was committed in circumstances of urgency, emergency or necessity; the availability or otherwise of a direct sanction against the person(s) responsible for the misconduct; and the seriousness of the offence with which the defendant is charged."

Lord Kerr summarised [83] the principles that have emerged from recent jurisprudence. He emphasised that stays are not imposed to discipline the police, but instead are designed to protect the integrity of the criminal justice system.

The decision in this case may have been finely poised, but it is not surprising: given the extenuating circumstances and the relatively slight (compared to being kidnapped or entrapped) breach of the defendant's rights, and the fact that the offending was importation of cannabis (180 kg, worth over £1m), it is not unreasonable to conclude that the integrity of the justice system did not require a stay of proceedings.

No one likes to disagree with the Privy Council, but I have to doubt whether it is appropriate to address the need for a stay of proceedings as a balancing exercise. Either misconduct is sufficiently egregious to require a stay, or it is not. The balancing factors mentioned in this case are essentially those applicable to the discretion to exclude improperly obtained evidence. The balance is between factors relevant to the seriousness of the impropriety and factors relevant to the seriousness of the alleged offending. This similarity in reasoning raises the question of the relationship between exclusion and the stay of proceedings.

The stay is clearly the more extreme response, and factors justifying it can be put at the end of an imaginary continuum of impropriety, most of which could be a basis for exclusion of evidence unless the offending is too serious. The seriousness of the offence is properly part of the balancing exercise used to determine the admissibility of improperly obtained evidence. But when the level of impropriety is sufficiently high to take the potential remedy beyond exclusion of evidence to a stay of proceedings, is there a level of offending that would make a stay inappropriate? If there were, it would also have to make exclusion of the improperly obtained evidence inappropriate, otherwise where that evidence was central to the prosecution case the proceedings would terminate. Once evidence is ruled admissible after the balancing exercise, because the alleged offending outweighed the impropriety, an application for a stay would be futile. If, on the other hand, the evidence was excluded because the impropriety outweighed the seriousness of the offending, an application for a stay might in extreme cases be successful and if so, that would be because of the seriousness of the impropriety.

What then are the Board's imagined offences where the impropriety could outweigh the seriousness of the offence but the seriousness of the offence would make a stay inappropriate? I suggest they don't exist, but if they did they would be offences where disregard for a defendant's rights and breach of lawful restraint on investigatory conduct does not matter. Where then would be the limit of the law as far as the agents of the state are concerned?

I think this quest, in the context of a stay of proceedings where evidence has been obtained improperly, for offences sufficiently serious to balance against and outweigh misconduct by officials is misconstrued. The only question here should be whether the impropriety by officials undermines the integrity of the justice system.

The stay of proceedings can be used in wider contexts than improperly obtained evidence, and in those the seriousness of the alleged offending may well be a relevant factor. Delay, multiplicity of charges, re-litigation of decided issues, improper motive in charging or prosecutorial reneging on an agreement as to charge can all give rise to issues of the appropriateness of a stay, and the seriousness of the alleged offending could properly be a factor in the decision.

Disobedient fact-finders

2011-03-31T11:49:00.001+13:00

For an interesting article on the adverse effects of a rule (as opposed to a discretion) excluding improperly obtained evidence, and the ways in which fact-finders can be biased by knowledge of excluded evidence or by suspicion that evidence has been excluded, see Tonja Jacobi, "The Law and Economics of the Exclusionary Rule", available at http://papers.ssrn.com/sol3/papers.cfm?abstract_id=1783863

The author cites studies that suggest juries do not obey judicial directions, and even go to the extent of counter-intuitively reasoning that "if I am innocent I may as well commit offences because if tried I would be likely to be convicted even if innocent." We need to know how valid are the studies that are cited in this paper.

Using relevance to prevent unfairness

2011-03-30T17:15:00.002+13:00

Today's decision of the High Court of Australia in Stubley v Western Australia
[2011] HCA 7 is noteworthy on three points.

The amazing legislation in Western Australia governing the admissibility of propensity evidence.

Section 31A(2) of the Evidence Act 1906 (WA) provides:

"(2) Propensity evidence or relationship evidence is admissible in proceedings for an offence if the court considers —

(a) that the evidence would, either by itself or having regard to other evidence adduced or to be adduced, have significant probative value; and

(b) that the probative value of the evidence compared to the degree of risk of an unfair trial, is such that fair-minded people would think that the public interest in adducing all relevant evidence of guilt must have priority over the risk of an unfair trial."

It is para (b) that makes sensible people sit up and wonder. It posits a situation where fair minded people might think that something can be more important than the risk of an unfair trial. Normal people would think that when a risk of trial unfairness becomes unacceptably high, the risk must be avoided (by exclusion of the challenged evidence), regardless of what public interest there might be in adducing evidence of the defendant's guilt. That is, even people who appear to be guilty of the most hideous crimes are entitled to be tried fairly. But not, apparently, in Western Australia.

Differing analyses of relevance

The facts of the case on appeal require attention to illustrate this point, but more generally the case illustrates how senior judges can differ on what is in issue in a case. The majority (Gummow, Crennan, Kiefel and Bell JJ) held that the evidence in contention was not relevant to any issue, and a retrial was ordered, whereas Heydon J dissented, holding that there were live issues on which the evidence had probative value.

Stratagems and spoils (smile, Bard)

Heydon J draws attention to the significance of concessions by the defence on the scope of admissible prosecution evidence. The majority did not consider that the case required examination of this.

A clever defence tactic is to spoil the prejudicial effect of detailed prosecution evidence by conceding that aspects of it are not in issue. Where there is no issue, the theory goes, the point is not a matter on which proof is needed, or indeed permitted. Evidence must be relevant to a matter in issue.

Heydon J recognised that this was not an appropriate case to explore these stratagems, as no such techniques were used here.

Sentencing the reformed offender

2011-03-08T11:53:00.001+13:00

The theme of maximum flexibility for a judge in fixing a sentence that fits both the crime and the offender, recently discussed here in relation to guideline judgments, is also present in Pepper v United States, USSC No 09-6822, 2 March 2011.

Pepper illustrates the relevance of post-sentencing rehabilitation when a sentence is reconsidered on appeal. The advisory guidelines (United States v Booker, 543 U.S. 220 (2005), discussed here on various occasions from 13 December 2007) could be departed from to recognise rehabilitation, and legislation to the contrary effect was declare invalid.

Possession of the fullest information possible on the offender's life and characteristics has long been held to be essential to selection of an appropriate sentence: Sotomayor J delivering the opinion of the Court in Pepper, citing Williams v New York, 337 U.S. 241, 246-247. Thomas J dissented in Pepper, on the grounds that the guidelines should be mandatory. He has held to this line previously, apparently not thinking that he should revise his views to conform to the law which he has no chance of changing.

Confronting imaginary emergencies

2011-03-07T15:14:00.010+13:00

Michigan v Bryant, USSC No 109-150, 28 February 2011, continues the line of cases which purports to bring the reliability exception to the rule excluding hearsay into interpretation of the Confrontation Clause of the Sixth Amendment. See my 27 June 2008 comments on Giles v California, 554 U.S. 353 (2008). Bryant is a rather questionable decision on its facts, as Scalia J vigorously points out in his dissent.

To achieve admission of the evidence - the mortally wounded victim told the police who had shot him - the majority (Sotomayor J, joined by Roberts CJ and Kennedy, Breyer and Alito JJ, with Thomas J separately concurring) assessed the facts "objectively" from the points of view of the victim (the "declarant") and of the police who questioned him. Perhaps they were pushed to this curious approach because there was no evidence that the emergency which was necessary to escape the exclusion of the evidence actually existed: see Scalia J, slip op., pp 9–10; the majority said that the declarant and the police should have thought it did. That is, the majority held that there was an objective emergency and the declarant's objective purpose (not his actual purpose, but the purpose he should have had) was to help the police meet this emergency, so what he said was not testimonial and the confrontation clause did not apply.

The Confrontation Clause states:

"In all criminal prosecutions, the accused shall enjoy the right . . . to be confronted with the witnesses against him."

Witnesses are those who bear testimony, and testimony means "[a] solemn declaration or affirmation made for the purpose of establishing or proving some fact": Crawford v. Washington, 541 U. S. 36, at 51.

Those of us who do not have to worry about the Confrontation Clause can still take an interest in the majority's strange reasoning. I exempt Thomas J from this criticism, as he simply focused on whether the declarant's statement was "testimonial" within the meaning of that term in the Sixth Amendment and held that it was not because the interrogation here did not have the characteristics of a formalised dialogue with indicia of solemnity. He thus avoided trying to reconstruct the primary purpose of the participants. But the reasoning that constitutes the opinion of the Court is very odd.

The Court addresses the purpose component of testimony objectively (slip op., p 13):

"... the relevant inquiry into the parties' statements and actions is not the subjective or actual purpose of the particular parties, but the purpose that reasonable participants would have had, as ascertained from the parties' statements and actions and the circumstances in which the encounter occurred."

This undermines the basis for the reliability exception, which is that the circumstances as perceived by the speaker who is no longer available as a witness were such as to make fabrication unlikely. But the Court would say that even if the declarant did not realise that he needed to speak urgently, he should have realised that urgency existed and accuracy was required.

Further, as Scalia J points out, the Court is giving judges the power to do what they like:

"If the dastardly police trick a declarant into giving an incriminating statement against a sympathetic defendant, a court can focus on the police's intent and declare the statement testimonial. If the defendant "deserves" to go to jail, then a court can focus on whatever perspective is necessary to declare damning hearsay nontestimonial. And when all else fails, a court can mix-and-match perspectives to reach its desired outcome. Unfortunately, under this malleable approach "the guarantee of confrontation is no guarantee at all." Giles v. California, 554 U. S. 353, 375 (2008) (plurality)."

The Court recognised that the existence of an emergency was relevant, but in relation to the interrogators' primary purpose, calling this a "context-dependent inquiry". At slip op., p 22 it held:

"The inquiry still focuses on the understanding and purpose of a reasonable victim in the actual victim's circumstances, which prominently include the victim's physical state." [emphasis added]

The alarming thing here is that the actual victim here did not seem to appreciate any urgency. After being shot he fled some six blocks and at a gas station 25 minutes later a 911 call was made and the police quickly arrived. Then five officers in turn questioned him about the shooting.

"[the victim's] pressing medical needs do not suggest that he was responding to an emergency, but to the contrary reinforce the testimonial character of his statements. He understood the police were focused on investigating a past crime, not his medical needs. None of the officers asked [him] how he was doing, attempted more than superficially to assess the severity of his wounds, or attempted to administer first aid." [Scalia J's opinion, p 7]

Justice Ginsburg agreed with Scalia J that the declarant's intent is what counts. She noted that the issue of whether this case was one of a dying declaration was not before the Supreme Court because it had been abandoned by the prosecution in the Michigan Supreme Court. So although the Court had recognised that the dying declaration exception to the hearsay rule was an exception to the confrontation requirement in the common law inherited from England (Crawford v Washington, above), it was not necessary here to decide whether it survived the Court's recent confrontation decisions.

Bryant is a case where, as the prosecution recognised, the easy answer - that the declarant was making a dying declaration - was not available on the true facts, so the plurality had to uphold the admission of the evidence on these inconvenient facts by creating law that escapes the Confrontation Clause by pretending the statements were in response to an emergency and so were not testimonial. With the "facts" being what judges think they should have been, judges can do as they wish.

Aiding or standing by?

2011-03-05T11:23:00.001+13:00

Aiding an offence requires a positive act of assistance in its commission. This is not new law, but it is usefully illustrated in Robinson v R (Bermuda) [2011] UKPC 3 (9 February 2011).

One of the ways in which the appellant had been alleged to have been guilty of the murders of twins was that he

"intentionally conveyed to … Burgess [the principal] by his presence and behaviour that he was assenting to and concurring in the commission of the offence"

Sir Anthony Hughes, for the Board, recognised the danger in this form of allegation [14]:

"The Board is disposed to agree that to frame an allegation of aiding in [this way] does carry danger and is best avoided unless carefully qualified and explained. It courts the risk that insufficient attention is paid to the undoubted requirement that aiding imports a positive act of assistance. Of course that positive act of assistance may sometimes be constituted by D2 being present, and communicating to D1 not merely that he concurs in what D1 is doing, but that he is ready and willing to help in any way required. ... If D2's presence can properly be held to amount to communicating to D1 (whether expressly or by implication) that he is there to help in any way he can if the opportunity or need arises, that is perfectly capable of amounting to aiding ... . It is, however, important to make clear to juries that mere approval of (ie "assent" to, or "concurrence" in) the offence by a bystander who gives no assistance, does not without more amount to aiding. It is potentially misleading to formulate aiding [in the way mentioned above] without that qualification and without explaining that the communication of willingness to give active assistance is a minimum requirement."

The prosecution may prefer to allege aiding rather than the more complicated form of extended secondary liability. An opportunity to do this can occur where although a common plan may have been departed from, the aider continues to assist [18]:

"... an aider (D2) is guilty in respect of acts which he assists the principal offender (D1) to commit, knowing what D1 is about, so that if D1 steps right outside what was contemplated by D2, the latter will not be guilty. That, however, assumes that D2's assistance ceases upon the fundamental departure by D1. It is clearly otherwise if D2 continues to render assistance after a change of direction by D1."

So, just a reminder of some fundamentals here.

Thinking for the jury

2011-03-01T12:08:00.003+13:00

One of the requirements for a fair trial is the correct application of the law. When a jury has doubts about what the relevant law is, it may ask the judge for guidance. In R v Miljevic, 2011 SCC 8 (16 February 2011) the Supreme Court of Canada split 4-3 on whether the judge had correctly responded to questions from the jury.

In this case there was no need for the court to decide new law. There was no doubt about what the applicable law was. The jury had to choose between murder and manslaughter, depending on what it found the accused's state of mind to be. The law on this is settled, but the jury wanted clarification.

The jury had asked: "In 'layman terms' what is the difference between murder 2 and manslaughter? Examples? … A specific definition of manslaughter?"

The judge answered not by giving examples or by giving a definition of manslaughter, but instead by repeating the definition of murder. He did not address manslaughter because he did not want to confuse the jury, and because he did not want the jury to disobey his instruction to convict on one charge by acquitting on both.

The minority (Fish J, with McLaughlin CJ and Deschamps J concurring) held [8]:

"...no 12 jurors should be required by a trial judge to convict the accused placed in their charge of one or the other of two offences without understanding how the elements of both might relate to the evidence before them (see R. v. MacKay, 2005 SCC 75 (CanLII), 2005 SCC 75, [2005] 3 S.C.R. 607, at para. 1, citing Azoulay v. The Queen, 1952 CanLII 4 (S.C.C.), [1952] 2 S.C.R. 495, at p. 503). Yet that is what happened here."

There may be occasions where only one of the two available alternatives needs to be decided, but was this a case where the mens rea for murder could be determined without comparing it to the mens rea for manslaughter? The jury had to assess foreseeability of serious bodily harm (and it seems the judge misdirected on this: [22]) in the context of the accused's impairment through intoxication. Given that intoxication does not excuse the failure to foresee harm that a reasonable person would have foreseen (for manslaughter), could a direction on manslaughter possibly have made any difference here?

The majority (Cromwell J, with Abella, Charron and Rothstein JJ concurring) agreed with the majority in the Alberta Court of Appeal, holding that on the agreed facts the accused was guilty of manslaughter (he had thrown what he claimed was a heavy baseball bat into a group of people), so the only issue at trial was whether the accused was guilty of murder. Also, the judge had invited the jury to ask questions if they had difficulty.

The Court of Appeal had not addressed the question of whether the only issue in the case could be decided without comparison with the mens rea for manslaughter. The Supreme Court majority concluded [3]:

"...There is no reasonable possibility that the jury could have misunderstood what had to be proved in order for them to return a guilty verdict on the charge of second degree murder."

This treatment of the single-issue without comparison with the criteria for the alternative is wrong. A direction on manslaughter, even though the accused was guilty of this at a minimum, could have helped the jury understand the mens rea for murder. Intoxication may have had a bearing on what the accused knew of the likely consequences of his act, and the fact that a reasonable person, who is by definition sober, would have recognised the risk is not quite the same thing. Comparison with manslaughter would have clarified the subjective nature of the requirements for mens rea in murder.

Securing trial fairness

2011-02-22T11:10:00.002+13:00

The primacy of a defendant's absolute right to a fair trial is preserved in aspects of Canadian evidence law concerning the withholding of disclosure in the interests of national security: R v Ahmad, 2011 SCC 6 (10 February 2011). This is because the court can, in the event that absence of disclosure compromises the right to a fair trial, order a stay of proceedings.

The legislative scheme under consideration in Ahmad is ss 38 to 38.16 and 39 of the Canada Evidence Act, R.S.C. 1985, c. C-5. Section 38.14 provides:

Protection of right to a fair trial

38.14 (1) The person presiding at a criminal proceeding may make any order that he or she considers appropriate in the circumstances to protect the right of the accused to a fair trial, as long as that order complies with the terms of any order made under any of subsections 38.06(1) to (3) [permiting disclosure] in relation to that proceeding, any judgment made on appeal from, or review of, the order, or any certificate issued under section 38.13 [prohibiting disclosure].

Potential orders

(2) The orders that may be made under subsection (1) include, but are not limited to, the following orders:

(a) an order dismissing specified counts of the indictment or information, or permitting the indictment or information to proceed only in respect of a lesser or included offence;

(b) an order effecting a stay of the proceedings; and

The Court, in a unanimous judgment, held [2] in relation to a conflict between the interests of national security which require concealment of information and the interests of the defendant,

"Where the conflict is irreconcilable, an unfair trial cannot be tolerated.
Under the rule of law, the right of an accused person to make full answer and defence may not be compromised."

This requirement of trial fairness was the criterion for constitutional validity of the legislation [5]. The important consideration was the flexibility of the legislated scheme [7]:

" ... the net effect is that state secrecy will be protected where the Attorney General of Canada considers it vital to do so, but the result is that the accused will, if denied the means to make a full answer and defence, and if lesser measures will not suffice in the opinion of the presiding judge to ensure a fair trial, walk free. While we stress this critical protection of the accused's fair trial rights, we also note that, notwithstanding serious criticisms of the operation of these provisions, they permit considerable flexibility as to how to reconcile the accused's rights and the state's need to prevent disclosure."

Important here is the context in which a stay of proceedings may have to be considered. Usually the stay is described as a remedy of last resort, but here a stay of proceedings may be required even though not all the information has been disclosed to the judge who therefore could not say that it was necessarily the only appropriate remedy [34-35].

There is no obligation on the defence to assist the court (for example by undertaking not to disclose to the defendant information given by the prosecution to counsel, see [30]) to avoid the need to order a stay [78]:

"... the defence is under no obligation to cooperate with the prosecution and if the end result of non-disclosure by the Crown is that a fair trial cannot be had, then Parliament has determined that in the circumstances a stay of proceedings is the lesser evil compared with the disclosure of sensitive or potentially injurious information."

The trial judge must be able to "conclude affirmatively" [35] that the right to a fair trial has not been compromised.

For my analysis of trial fairness in various leading appellate courts, click here.

Second thoughts

2011-02-08T12:19:00.003+13:00

A witness's privilege against self-incrimination

Cases of alleged domestic violence are among those where a complainant may wish to deny the truth of her earlier complaint or of her evidence in pre-trial proceedings. She would then be admitting wasting police time by making a false complaint, or perjury. Will she be able to claim a privilege against self-incrimination so that she is not forced to give evidence incriminating the defendant at his trial?

This depends, as the New Zealand Supreme Court held in DK Singh v R [2010] NZSC 161 (17 December 2010), on how "likely" (s 60(1)(b) of the Evidence Act 2006[NZ]) it is that provision of the information sought would be used to incriminate the witness, that is, on whether there is a "real and appreciable" – as opposed to a "merely imaginary and fanciful" risk of incrimination (Singh at [31], citing Cockburn CJ in R v Boyes (1861) 1 B & S 311 at 330, 121 ER 730 (KB) at 738). In the circumstances of Singh the Court assessed this likelihood as sufficiently low to justify denial of the privilege.

The Court added that the privilege belongs to the witness, and it is not open to the appellant to make the claim on her behalf if she had waived it, applying R v Kingslake (1870) 11 Cox CC 499 (QB) and noting the consistency with s 60(4)(b) of the Evidence Act 2006.

Hostility and prior consistent statements

In the trial in this case the Crown had obtained a ruling that the witness was hostile, so that by cross-examination it was revealed that she had previously stated that the alleged offences had occurred. The defence then sought to have some of her prior consistent (that is, consistent with her denials of the offending) statements admitted under s 35 of the Evidence Act. But on the facts here the Court assessed those statements as not having sufficient probative value to make them "necessary to respond" to the Crown's challenge to the witness's accuracy or veracity, and held that their selective nature would make admitting them unfair to the prosecution and would require a time-wasting diversion (s 8 Evidence Act).

Trial unfairness

The appellant's fundamental argument was that the trial had been unfair. This is dealt with at the end of the judgment [59-61]. This argument was put on the grounds (as I would paraphrase on the basis of my analysis of trial fairness) that the jury would not have assessed the evidence impartially because the witness's credibility had been improperly undermined. It seems from the judgment that the unfairness argument was based on the jury not having been given a direction that they might consider that her clumsy attempts to deny that the offending had occurred were due to her fear of being prosecuted for perjury. That is, there was a real risk that the jury's assessment of the value of her evidence was not an impartial assessment because all relevant considerations may not have been taken into account.

The Court concluded that the jury had been given sufficient information to be able properly to assess the witness's credibility. A fear of prosecution would not have affected the way she gave evidence.

Res judicata or double jeopardy?

2011-01-27T22:23:00.003+13:00

The different foundations of the special pleas (autrefois convict/acquit) and issue estoppel are called to mind by Coke-Wallis, R (on the application of) v Institute of Chartered Accountants in England and Wales [2011] UKSC 2 (19 January 2011). Lord Collins noted at [59] that the principles of the special pleas do not apply in civil cases, and that Lord Bridge had been wrong in Harry Lee Wee v Law Society of Singapore [1985] 1 WLR 362, 368 (PC) to suggest that they do.

Re-litigation of issues may be permitted, subject to the court's duty to prevent an abuse of its process. Re-litigation in civil cases is controlled by the doctrine of res judicata, which has generated the rules concerning cause of action estoppel and issue estoppel. In criminal cases the prevention of double jeopardy is the conceptual source of the special pleas.

In civil cases, cause of action estoppel prevents different evidence being used to prove a suit that had previously failed, as occurred in Coke-Wallis. If the earlier proceedings had been criminal, different considerations would apply to the admissibility of determinations of issues in the subsequent civil case: see Z v Dental Complaints Assessment Committee [2008] NZSC 55 (25 July 2008), noted in the entry for 25 July 2008. Acquittal in criminal proceedings does not prevent the same issues being decided in a subsequent civil case. This reflects the generality of the criminal verdict. The higher standard of criminal proof makes appropriate the use of evidence of a previous conviction in a subsequent civil case, which is likely to be permitted if relevant although there may be exceptions (as is recognised for example in s 47 of the Evidence Act 2006[NZ]). And, still focusing on where the second case is civil, evidence of a judgment or of a finding of fact in an earlier civil case is likely to be admissible (and not disputable) within the principles of res judicata but not otherwise.

A particularly clear outline of the position where the second case is criminal is given in R v Carroll [2002] HCA 55; 213 CLR 635; 194 ALR 1; 77 ALJR 157 (5 December 2002). In criminal law a more flexible approach may be permitted to prevent abuse of process. On double jeopardy, Gleeson CJ and Hayne J observed at 23-24:

"[23] It is ... important to recall that the four considerations which we have mentioned (the imbalance of power between prosecution and accused, seriousness for an accused of conviction, prosecution as an instrument of tyranny and the importance of finality) are not the only considerations which find reflection in the criminal law system. At the very root of the criminal law system lies the recognition by society that some conduct is to be classified as criminal and that those who are held responsible for such conduct are to be prosecuted and, in appropriate cases, punished for it. It follows that those who are guilty of a crime for which they are to be held responsible should, in the absence of reason to the contrary, be prosecuted to conviction and suffer just punishment.

"[24] Reference to the general propositions we have mentioned is important not because the answer to the issues now being considered can be found by deductive reasoning which takes any or all of them as a premise but because they are values to which the criminal law can be seen to give effect. They are values that may pull in different directions. There are, therefore, cases in which a balance must be struck between them. To take only one obvious example, it is accepted that in order to acquit the innocent, some who are guilty will go unpunished. But conversely, to punish the guilty, some who are innocent will suffer the very real detriments of being charged and tried for an offence they did not commit. It follows that to argue from any one of the considerations we have identified to some rule of universal application is to invite error."

Where the first case was criminal and there was an acquittal, it may be impossible to say that a given fact was determined to any standard. This makes the application of estoppels inappropriate (Carroll at [35]). Instead, it is recognised that there is a discretion which underlies the special pleas: Connelly v Director of Public Prosecutions [1964] AC 1254 per Lord Pearce at 1364:

"A man ought not to be tried for a second offence which is manifestly inconsistent on the facts with either a previous conviction or a previous acquittal. And it is clear that the formal pleas which a defendant can claim as of right will not cover all such cases. Instead of attempting to enlarge the pleas beyond their proper scope, it is better that the courts should apply to such cases an avowed judicial discretion based on the broader principles which underlie the pleas." (emphasis in original)

This discretion is the inherent power of the court to prevent an abuse of its process (Carroll at [39]). So, although a plea of autrefois acquit may not technically be available on a particular issue, considerations of double jeopardy may indicate that the laying of the second charge was an abuse of process. Outside of the technical application of autrefois acquit, it may be possible to reveal double jeopardy by comparing the issues in the first trial with those raised in the second. Carroll is an illustration: at the first trial the charge was murder, the only issue was identity, and the accused gave evidence. He was acquitted but subsequently charged with perjury on the basis of his denial of being the killer. The elements of perjury differ from the elements of murder, so autrefois acquit did not assist the defendant, but the High Court unanimously held that the perjury prosecution was an abuse of process and it was stayed.

While issue estoppel has no place in criminal law in Australia (Rogers v R [1994] HCA 42; (1994) 181 CLR 251), the UK (R v Humphrys [1977] AC1) and New Zealand (R v Davis [1982] 1 NZLR 584 (CA)), this is not so in Canada: R v Mahalingan [2008] SCC 63 (14 November 2008), discussed here on 15 November 2008. In that case the issue was whether evidence that the defendant had attempted to interfere with a witness, a charge on which he had been acquitted, was admissible at his trial for aggravated assault. It should be obvious that, unlike in Carroll, proof of the second charge did not entail contradicting the acquittal, but the majority of the Supreme Court of Canada held that issue estoppel applied because it included findings of reasonable doubt on an issue. It seems clear that the Canadian approach, committed as it is to the use of the res judicata-based estoppels, is having its limitations reduced by a fiction that a finding of a reasonable doubt is a determination of an issue.

Trial fairness and conviction appeals

2011-01-05T15:43:00.004+13:00

Stimulating holiday reading! My new paper on what a "fair trial" means and on reform of the criteria for allowing appeals against conviction! Sit up straight and click here. Also available at NZLawyer (4 February 2011), but the former - my pdf file - is easier to read because it has footnotes, whereas the latter incorporates the footnotes into the main text.

Judging or calculating?

2010-12-10T12:04:00.003+13:00

Some general thoughts on sentencing guideline judgments are prompted by the High Court of Australia's decision this week in Hili v R; Jones v R [2010] HCA 45 (8 December 2010):

The point of first reference for sentencing must be the relevant legislation. A court cannot issue guidelines that are inconsistent with statutory provisions.

If a guideline indicates a "norm" for the starting point for sentence determination, can that go beyond being merely descriptive of what earlier cases have decided? What authority does the court have to set "norms" for the future?

Without statutory authority to lay down norms for the future, or to describe even in the most general terms the circumstances in which those norms can be departed from, what binding force can these future "norms" have?

Plainly, the purpose of sentencing guidelines is to promote consistency between cases. But cases are never exactly the same, and a sentencing judge should exercise judgment about what is appropriate for an individual offender. The task of counsel for each side is to bring to the court's attention cases that it asks to be used as precedents, and this is an exercise in describing what has happened in the past. That is the way the law usually works.

Consistency between cases requires consideration of the reasons why previous sentences were imposed. This is not revealed by an exercise in tabulation of seriousness of offence and level of sentence, because that misses the vital ingredient of individual circumstance and other matters required by statute to be taken into account.

So, first look at the legislation, then look at what has been done in other cases – especially to identify unifying principles – remembering that what has been done in the past does not necessarily set the limits on what can now be appropriate.

Whether a sentence under appeal was manifestly inadequate or excessive does not depend on an intuitive reaction based on earlier decisions, but rather is a question that has to be answered in the light of all the matters relevant to fixing sentence, including the circumstances of the offending and the circumstances of the offender, and the sentences imposed in the most comparable cases.

It is possible (as Heydon J said in his concurring but partly differently reasoned judgment, although the point must be uncontroversial) that there may be more than one "correct" sentence in a given case. A sentencing judge must be guided by his or her perception of what is appropriate.

Those points encourage us to doubt the status of so-called guideline judgments. Examples in New Zealand: establishing sentencing bands for drug offending based on the quantity of drug involved: R v Fatu [2006] 2 NZLR 72, R v Terewi [1999] 3 NZLR 62; categories for burglary based on the kind of offender: Senior v Police (2000) 18 CRNZ 340; bands of sentences for violent offending based on listed aggravating features: R v Taueki [2005] 3 NZLR 372; and – illustrating a level of analysis that has become, I respectfully suggest, grotesque – bands of sexual offending based on the physical details and grouped into "rape bands" and unlawful sexual connection or "USC bands" (!): R v AM (CA27/2009) [2010] NZCA 114, [2010] 2 NZLR 750. These cases are prescriptive and may well be found to contravene the principles in the Sentencing Act 2002. Their underlying assumption is that judges are unable to exercise discretion judicially. These cases are, perhaps some might argue, an overly eager attempt by the appellate court to placate pressure groups whose only thoughts about sentencing are retributive. They are, of course, honest endeavours to promote uniformity in sentencing, but, especially when read in the light of the Supreme Court's rejection of a formulaic assessment of the amount of discount appropriate for pleas of guilty, they may have gone wrong in neglecting the legislated approach; see Hessell v R [2010] NZSC 135 (discussed here 16 November 2010).

Respectfully yours ...

2010-12-06T18:32:00.004+13:00

For my submissions to the Justice and Electoral Committee on the Criminal Procedure (Reform and Modernisation) Bill 243-1 (2010), updated as at 17 February 2011, click here.

Relevance and unreasonable rage

2010-11-29T14:28:00.002+13:00

There may be occasions where a judge may rule that evidence initially thought to be relevant to an issue must be ignored. The Supreme Court of Canada has touched on this in the context of provocation: R v Tran [2010] SCC 58 (26 November 2010):

"[41] ... the evidence must be reasonably capable of supporting the inferences necessary to make out the defence before there is an air of reality to the defence (Fontaine 2004 SCC 27 (CanLII), 2004 SCC 27, [2004] 1 S.C.R. 702 at para. 56; R. v. Reddick, 1991 CanLII 106 (S.C.C.), [1991] 1 S.C.R. 1086, at p. 1088, citing Pappajohn v. The Queen, 1980 CanLII 13 (S.C.C.), [1980] 2 S.C.R. 120, at p. 133). ... ."

Tran is an example of the evidence being insufficient to establish a necessary element (here, of a defence), but I discuss it because it obliquely invites consideration of the admissibility/insufficiency boundary.

The "air of reality" requirement is really a relevance requirement.

To be relevant, evidence must be reasonably capable of supporting the fact it seeks to prove: Bain v R [2009] NZSC 16 per Elias CJ and Blanchard J at [43] (adopting R v Thomas [1970] VR 674 at p 679), per Wilson J at [91], agreeing, and adding that the threshold is "very low").

Judges may - unless there has been a pre-trial hearing - have to rule on admissibility when a party seeks to adduce the evidence, and that may be when there is only a narrow context. But on the "air of reality" test, the judge can take a wider perspective and place the challenged evidence in the context of all the other evidence in the case.

The danger is that, in a jury trial, the judge will usurp the jury's function by removing an issue (often, but not necessarily, a defence) from their consideration. The law of provocation, surveyed in Tran, brings out this difficulty, which reflects the sometimes controversial difference between questions of law and questions of fact.

The trial was by judge alone, and the judge held that the prosecution had failed to exclude the partial defence of provocation. The Court of Appeal of Alberta held that the offender should have been convicted of murder, not manslaughter. The Supreme Court dismissed the offender's appeal. Broadly, the offender could not have been acting under provocation because his estranged wife's adultery was known to him before he entered her home and it could not have been an "insult" (s 232 Criminal Code) that caused him to lose his self-control.

So the trial judge must have thought it was reasonably possible that the offender had lost his self-control (a question of fact), while the appellate courts did not (because of a requirement of law: the facts did not establish an "insult" although if they had, that would have been a question of fact under s 232). There is an objective element to the loss of self control:

"[29] ... while one spouse undoubtedly has a legal right to leave his or her partner, in some circumstances the means by which that spouse communicates this decision may amount in fact to an "insult", within the ordinary meaning of the word. However, to be recognized at law, the insult must be of sufficient gravity to cause a loss of self-control, as objectively determined. The fact that the victim has the "legal right", in the broad sense of the term, to leave the relationship is an important consideration in the assessment of this objective standard."

Tran was not so much an "air of reality" case, as a case of loss of self control being outside the scope of the partial defence of provocation because it was unreasonable. But to avoid the hideous spectacle of an appellate court acting like a jury, it is more diplomatic to pretend that the evidence was irrelevant.

Power to disclose

2010-11-26T11:31:00.001+13:00

Does voluntary disclosure to the police by an electricity supply company of the defendant's power usage breach a right to privacy?

The Supreme Court of Canada has held, 7-2, that no such breach occurred in R v Gomboc [2010] SCC 55. The defendant was charged with cultivation of cannabis and his electricity usage was one aspect of the case against him. Four of the majority judges (Deschamps, Charron, Rothstein and Cromwell JJ) held that information about electricity use in a private dwelling was not about "intimate or core personal activities" of the occupants and did not carry a reasonable expectation of privacy. Core biographical data was not revealed. A relevant circumstance was that customers could expressly request that the supply company keep confidential the details about electricity usage, but here the defendant had not done that. This latter point was stressed by the concurring majority judges, Binnie, LeBel and Abella JJ.

Dissenting, McLaughlin CJ and Fish J held that there was a reasonable expectation of privacy in the circumstances of this case. This was because of the degree of intrusiveness was high: the accurate measuring of electricity usage supported inferences of criminal activity that was private information of use to the police. This form of search should only be permitted if the police could alternatively have obtained a search warrant. Customers could not be expected to be aware of the complex regulations which permitted the supply company to pass on information to the police, and the regulatory scheme was not intended to authorise the company to act as an agent for the police by spying on its customers.

Offenders often bypass their electricity meters, and are consequently charged with theft of electricity in addition to cultivation of cannabis. Police use of power consumption information in support of applications for search warrants may already be regarded as a good investigative technique; in R v Thompson [2001] 1 NZLR 129, (2000) 18 CRNZ 401 (CA) it does not appear to have occurred to anyone that this might have been objectionable.

Relevance, probative value, and Bayesian reasoning

2010-11-21T13:40:00.001+13:00

Peter Tillers has drawn everyone's attention to an interesting discussion of relevance, "Bayesian Wars Redivivus – An Exchange" in International Commentary on Evidence, Vol 8, Issue 1, Article 1 (2010).

Relevance

Definitions of relevance can appear to be inappropriately restrictive. In New Zealand we have an example in s 7 of the Evidence Act 2006 (compare rule 403 of the Federal Rules of Evidence 2010). Critically, subsection (3) defines relevant evidence:

"Evidence is relevant in a proceeding if it has a tendency to prove or disprove anything that is of consequence to the determination of the proceeding."

Inevitably, however, there are many facts in a case that are not in dispute but that are relied on to give context to the relevant facts. These contextual matters are often called narrative. Strictly speaking, they do not in themselves tend to prove anything, but they help to explain why other evidence does have the necessary tendency. A generous reading of s 7(3) is needed: it could encompass narrative evidence if "evidence" is understood as including the evidence that explains the "tendency to prove or disprove".

Neutralising the opponent's evidence

Sometimes, each party may rely on the same narrative evidence but will invite a different inference from it. A defence stratagem is to neutralise prosecution evidence by showing that it is consistent with innocence, and this applies to narrative evidence too.

This leads to a paradox: if a narrative fact is not in dispute, but is equally consistent with guilt as with innocence, it is needed by both parties even though its tendency to prove a matter in issue is neutral; it is relevant in ways that cancel each other out. Does neutralisation destroy relevance?

This paradox disappears if s 7(3) means that equal and opposite tendencies are still tendencies, because each must be considered separately.

A problem for Bayesian logic?

The tendency requirement for relevance says nothing about the strength of that tendency. The strength of the tendency of relevant evidence to prove a matter in issue is called the probative value of that evidence. In Bayesian logic probative value is expressed as a likelihood ratio. Essentially this is a way of asking (for prosecution evidence) how much more consistent is the evidence with guilt than it is with innocence.

In some ways it is unfortunate that the adjective Bayesian has attached to this thought process, because it is an ordinary and natural way of addressing the question of the strength of the probative value of evidence. There is not even anything necessarily mathematical about it, as strengths and likelihoods can be assessed without numbers.

Much of the argument in the paper cited above is concerned with how a likelihood ratio is to deal with common reliance on the evidence without rendering it irrelevant. I think there is some crossing of the wires here: probative value is treated in this discussion as if it was relevance. This error is introduced by Ronald Allen at p 10 of the exchange. Roger Park tries to correct it at p 11, but David Kaye thinks it makes a different point (p 11). Ronald Allen emphasises his assertion of a problem that a likelihood ratio of one makes for relevance at p 12, David Kaye discusses the probative values in reply (p 12), and Ronald Allen's rejoinder (p 13) corrects the tendency to think that changing probative value changes relevance, while seeming to suggest that it was David Kaye who said that if both sides rely on the evidence it is not relevant at all, when really it was Ronald Allen himself who suggested that this is implicit in Bayesian reasoning. Ronald Allen thinks it is difficult to determine relevancy until all the evidence has been heard (p 13) – but I think that is because he confuses relevancy with probative value. Samuel Gross seems to agree that relevance cannot be assessed without the other evidence (p 15). Bruce Hay usefully distinguishes between the function of the judge and that of the jury (p 19). Peter Tillers chips in with a defence of the proper use of Bayes' Theorem (pp 20-21). David Kaye mentions what I have here called narrative evidence, at p 24. Ronald Allen comes down hard against Bayesianism (p 25) although he acknowledges it has some use (p 26). David Kaye brings narrative evidence into a Bayesian approach (p 29), and then Peter Tillers brings the discussion to cows (p 30) and common sense (the "stories" approach to probative value).

The reality is that juries are commonly told that they may decide to give particular evidence little or no weight (probative value) notwithstanding that it is (necessarily) relevant evidence. Evidence can be relevant although it has only a slight tendency to prove the matter contended for, and it will be admissible unless excluded by some other rule, and its probative value – assessed in the context of all the relevant evidence in the case – may be similarly slight yet its impact on the result of the case will depend on the priors (that is, how close the other evidence brings proof of the prosecution case to the required standard).

Bayesian reasoning can be useful on the issue of admissibility where it can be shown that the likelihood ratio is close to one (the evidence is nearly as consistent with innocence as it is with guilt) if other circumstances in the case make the evidence in question liable to exclusion because of its illegitimately prejudicial effect (see s 8 of the Evidence Act 2006; rule 403 of the Federal Rules). Evidence that is merely narrative should not have the necessary prejudicial effect to require exclusion, but it is commonplace to encounter exclusion of other relevant evidence because of its prejudicial effect.

Stories or statistics?

Usually people decide what to believe on the basis of what seems, without the need for further inquiry, to be consistent with common sense. They are using experience as the basis for judgment. They would have to concede that other people's experience can be useful in helping them make that judgment, and that that experience may come from statistical studies. The usefulness of scientific studies, the results of which are presented statistically, cannot be denied. They can distinguish factual from fictional stories. The significance of probabilities for logical reasoning must be recognised, and the inescapable influence of conditional probabilities on the correct determination of judicial proceedings must be utilised by fact-finders.

Accounting for guilty pleas – justice, not economics

2010-11-16T12:53:00.002+13:00

Whereas South Australia v Totani (last note) illustrated the error of a legislature in depriving a court of its judicial function, Hessell v R [2010] NZSC 135 illustrates a departure by a court (here, the lower appellate court) from its judicial function.

This is only hinted at obliquely. The Court was highlighting the inappropriateness of a formulaic approach to the level of sentence discount to be awarded for entry of a plea of guilty. The Court of Appeal in this case had issued a guideline judgment on discounts for guilty pleas, setting out a sliding scale according to the stage of the proceedings at which the plea was entered. The Supreme Court overruled that:

"[67] The law reform agencies in the United Kingdom and New Zealand saw valid reasons to move to a more prescriptive and structured approach to giving credit for guilty pleas in sentencing. The Court of Appeal was persuaded by their reasoning. But in giving effect to their proposals, the Court of Appeal has underestimated the complexity of the issue including the potential of the changes to impact on the protected rights of persons charged with criminal offending. It is also inappropriate for a court to make changes in sentencing policy that would restrict the capacity of judges to determine sentences that are considered to fit all the circumstances of the case. Where the development of sentencing policy is motivated by a utilitarian calculus it may not be appropriate for judicial decision. Judges should show restraint in moving beyond the area mandated by existing legislation when exercising their sentencing powers. The ultimate difficulty we have with the Court of Appeal's approach is that it is not mandated by the Sentencing Act." [emphasis added]

The Supreme Court's approach recognises the need to avoid coerced guilty pleas, and to protect the defendant's right to dispute the facts and to challenge the admissibility of evidence.

Sentencing involves the consideration of a range of circumstances, one of which may be a guilty plea, and the significance of such a plea has to be assessed in all the relevant circumstances of the case. However, the Court added that discounts for guilty pleas should not exceed 25%, as remorse is a separate consideration for which more credit may be due.

The Australian approach (R v Wong [2001] HCA 64, (2001) 207 CLR 584 at [76] per Gaudron, Gummow and Hayne JJ; R v Markarian [2005] HCA 25, (2005) 228 CLR 357 at [37] per Gleeson CJ, Gummow, Hayne and Callinan JJ) was preferred to that in the United Kingdom, although New Zealand uses more of an "instinctive synthesis" of gravity and culpability than does Australia: Hessell at 55.

Fundamentally, the Court of Appeal had addressed the question from a point of view that was distorted by non-judicial concern with administrative efficiency.

When laws go crazy

2010-11-12T12:55:00.011+13:00

People interested in whether a legislature may require a court to act unjustly may get some pointers from French CJ's judgment in South Australia v Totani [2010] HCA 39 (11 November 2010).

This case was decided in the context of Australia's constitutional arrangements, but some fundamentals of interest to everyone are evident.

French CJ began by referring to the assumption of judicial independence which underlies the constitution [1] and which has its origin in English law [59], where fairness and impartiality were recognised as characteristics of proceedings in courts of justice [60]. While the characteristics of a court cannot be defined in a single all-embracing statement, an essential is the conduct of an adversarial trial by an independent and impartial tribunal [62]:

"At the heart of judicial independence, although not exhaustive of the concept, is decisional independence from influences external to proceedings in the court, including, but not limited to, the influence of the executive government and its authorities [footnote: As to the multiple location of judicial decisional independence in separation-of-powers protections providing for "judicial independence" and within the rubric of "due process" and "the rule of law", see Gerangelos, The Separation of Powers and Legislative Interference in Judicial Process, (2009) at 8]. Decisional independence is a necessary condition of impartiality. Procedural fairness effected by impartiality and the natural justice hearing rule lies at the heart of the judicial process [footnote: For a recent discussion of the natural justice hearing rule in this context, see International Finance Trust Co Ltd [2009] HCA 49; (2009) 240 CLR 319 at 379-384 [139]- [150] per Heydon J.]. The open-court principle, which provides, among other things, a visible assurance of independence and impartiality, is also an "essential aspect" of the characteristics of all courts, including the courts of the States [footnote: Russell v Russell [1976] HCA 23; (1976) 134 CLR 495 at 520 per Gibbs J; see also at 505 per Barwick CJ, 532 per Stephen J; [1976] HCA 23]."

Important for this case, but also of potential general application, is the idea that a legal system cannot require a court to act in a way which impairs its "institutional integrity". In the context of Totani, this idea appears as [69(3)]:

"The institutional integrity of a court requires both the reality and appearance of independence and impartiality [Footnote: Forge [2006] HCA 44; (2006) 228 CLR 45 at 77 [66] per Gummow, Hayne and Crennan JJ, citing Ebner v Official Trustee in Bankruptcy [2000] HCA 63; (2000) 205 CLR 337 at 345 [7]- [8] per Gleeson CJ, McHugh, Gummow and Hayne JJ]."

And the fundamental nature of that requirement - the reality and the appearance of independence and impartiality - is historical, pre-dating Australia's federation [72]:

"...Forms of external control of courts "appropriate to the exercise of authority by public officials and administrators" are inconsistent with that requirement [Footnote: Gypsy Jokers Motorcycle Club Inc v Commissioner of Police [2008] HCA 4; (2008) 234 CLR 532 at 553 [10] per Gummow, Hayne, Heydon and Kiefel JJ ]. The requirement is not a judicially generated imposition. It derives from historically based assumptions about courts which were extant at the time of Federation."

This form of argument is potentially a powerful weapon against those who would support the idea that a sovereign legislature may enact any law it wishes. I have a written a brief note on this sort of thing in "Criminal Equity" [2000] New Zealand Law Journal 427. By "criminal equity" I mean the pursuit of fairness in the criminal context by looking beyond the black-letter law. Since then, we have enacted a potential cause of unfairness in s 21 of the Evidence Act 2006[NZ] which is absolute in its terms. It is wide enough to prevent admission of the exculpatory parts of a defendant's statement to the police unless he gives evidence at his trial. In cases where this would operate unfairly, the court has to, in effect, disregard s 21, but, since the court does not have the power to rule the legislation unconstitutional, this is done under the guise of recognising an implicit power to require the prosecution to lead the exculpatory statement to prevent unfairness. In a case that seems to be currently subject to a suppression order, [2009] NZCA 607, (2009) 24 CRNZ 527, the Court of Appeal has said, at [19]:

" ... such a power must be implicit in s 25 of the New Zealand Bill of Rights Act 1990. In the event of an unfair decision by a prosecutor not to lead evidence as to what an appellant said at a police interview, it would thus be open to the Court to require that evidence to be led. As to this, see Illingworth and Mathias “The Admissibility of Hearsay Statements and Opinion Evidence” in Young and Chambers Evidence Act 2006 (NZLS Intensive June 2007) at 50 – 51."

Essentially this is using the inherent power to prevent an abuse of process to qualify the statutory language in the interests of trial fairness. The jurisdiction to prevent an abuse of process is inherent in the function of the court.

Fair multiplicity

2010-11-06T19:58:00.004+13:00

A routine point of criminal law was the reason for the unopposed allowing of the appeal in Mason v R [2010] NZSC 129 (3 November 2010): s 329(6) of the Crimes Act 1961 provides that "Every count shall in general apply only to a single transaction." Here, the transaction covered two assaults, and these should have been charged separately to avoid unfairness: the accused may have had a defence to one assault, and on sentencing it would be necessary to know what had been proved beyond reasonable doubt especially because the assaults varied in seriousness.

The conviction was quashed and the Crown did not seek a retrial.

This rather elementary point had been overlooked in the Court of Appeal, where the appellant had represented himself and the Court had misunderstood his argument as applying only to the determination of facts for sentencing.

Mr Mason will no doubt be pleased he did not have to go to the trouble and expense of trying to appeal to the Privy Council. This was a minor case, alleging punching in the face and ear-pulling, committed against one of the accused's sons. It was only interesting because of the huge attention that the use of force in domestic discipline has recently received, and this was regarded as a test case for new legislation, s 59 Crimes Act 1961.

There are occasions where a count can allege offending over an extended period, and there may be many alleged incidents which a complainant cannot be specific about. In those cases (often, but not necessarily, alleging sexual misconduct) the jury must, before it can find guilt, agree on at least one incidence of the alleged offence.

A leading authority is R v Accused (CA160/92) [1993] 1 NZLR 385; (1992) 10 CRNZ 152 (CA), where the judgment of the Court of Appeal was delivered by Cooke P (later, Lord Cooke of Thorndon). On the requirement of trial fairness, his Honour said

"The basic ingredients of a fair trial remain. There are limits to custodial interrogation and in some circumstances Bill of Rights protections; the accused is entitled to know the substance of that with which he is charged; he has statutory and common law rights regarding the disclosure of certain information; he has detailed notice before the trial of the evidence to be called by the prosecution; he has the right at the trial of cross-examining the Crown witnesses, subject to some reasonable restraints; he has the right to give evidence himself, so that the jury may compare his evidence with that of the complainant or his other accusers; and he has the benefit of the doubt, invariably underlined by trial Judges in emphatic directions that the prosecution must establish its case beyond reasonable doubt. In the event of a conviction the accused has the right of appeal on grounds including the basic one, miscarriage of justice. There is the safety net for exceptional cases of the Royal prerogative and s 406 Crimes Act: see Burt v Governor-General unreported, 16 July 1992, CA175/88.

"On the general question of the fairness of criminal trials in New Zealand it is not to be overlooked that other developments, some of them with no particular bearing on sexual charges, have also moved the balance towards the prosecution. These include statutory provisions for electronic surveillance; DNA testing; a more liberal judicial attitude to "similar fact" evidence and hearsay evidence. But they have been accompanied, at least since Police v Hall [1976] 2 NZLR 678 and R v Hartley [1978] 2 NZLR 199, with affirmation of the Court's inherent jurisdiction to prevent unfair trials; and that jurisdiction would be available if truly needed in a case in the present field.

"It is possible to imagine a case in which allegations of sexual misconduct are so vague or relate to a time so long ago, without justification for the delay, that it would be unfair to place an accused on trial upon them. Then the possibility of exercising the protective inherent jurisdiction would fall for consideration in all the circumstances of the particular case."

This comes down to the avoidance of vagueness and the avoidance of prejudicial or unconscionable delay. Logical difficulties may persist, as mentioned in the discussion of the use of specimen or sample counts in Tyack v. The State (Mauritius) [2006] UKPC 18 (29 March 2006) at 18-21. The problem is one of framing legislation that permits inclusion of more than one occurrence of an offence in one count, while still complying with the right to a fair trial. The New Zealand provision, s 329(6) above, is not absolute, but applies "in general" to a single "transaction". In Mason the Supreme Court said of this:

" [9] ... The qualification "in general" and the relatively indefinite word "transaction", which can encompass both a single event or a course of conduct, recognise the difficulty of application of any precise rule to the charging of the many different fact situations in which acts of offending may occur. They indicate the need for some flexibility. The essential requirement emerging from case law is that, if particular acts of alleged offending can sensibly be charged separately without undesirably lengthening the indictment (overcharging), then that should be done. It is necessary that distinctly identifiable acts of alleged offending be the subject of separate charges where the accused may be prejudiced either at trial or on sentencing if they are combined in a single count. On the one hand, the use of a multiplicity of counts is to be avoided where fewer would suffice for the interests of justice. On the other, overly complex counts may prejudice the defence or make it difficult to frame fair and accurate directions to the jury. If necessary trial Judges should intervene if either problem arises.

"[10] We repeat what Anderson J said for this Court in R v Qiu [[2007] NZSC 51, [2008] 1 NZLR 1 at [8] ].The Court endorsed the practice of not charging as separate offences a continuing course of conduct which it would be artificial to characterise as separate offences. But the Court said that it was another thing to charge as a single count repetitive acts which can be distinguished from each other in a meaningful way, even if they relate to more than one act of a certain class or character. The Court added something which the present case vividly illustrates:

'Separate counts facilitate fairness in the conduct of the trial by focusing attention on matters of fact and law which can and need to be distinguished for the purposes of different counts. In the event of conviction, they assist the sentencing Judge by indicating the extent of culpability.'"

Some delicate calculations may need to be made, as appears to have been the position in Mason, where experienced defence counsel had not sought severance of the count. Presumably this was because the chances of a successful defence to the lesser allegation were thought to be low, and that even if successful, splitting off the lesser allegation would merely highlight the more serious one and would prevent a sentencing submission that the facts should be assessed as less serious than they could have been. Fairness to the defence is not always easy for the defence to accept, as was seen earlier in these notes in relation to leaving alternative counts to the jury: "Fairer than you may want" .

Good character direction

2010-11-05T15:41:00.001+13:00

An addition to our collection of cases illustrating when absence of a good character direction requires the quashing of a conviction: Campbell v R [2010] UKPC 26 (3 November 2010).

Here the omission of the direction was not the result of a tactical decision by the defence, and the case involved a contest between an eyewitness and the accused who gave evidence. In such cases the direction would be "of greatest potential significance" (para 45).

The Board also summarised the requirements for an eyewitness identification direction (para 28), and began with an extended discussion of when the Board can grant special leave to appeal to it where the lower court has refused leave (para 5-25).

W(h)ither Weiss?

2010-11-04T13:05:00.001+13:00

Usually only one side in a criminal case appeals, but in R v Nguyen [2010] HCA 38 (3 November 2010) the Crown appealed against the Court of Appeal of the Supreme Court of Victoria's quashing of convictions for murder and attempted murder and its entry of acquittals, and the accused (DQN) appealed on the basis of an alleged misdirection by the trial judge by way of failure to leave to the jury the alternative of manslaughter on each count. DQN's appeal point had been raised in the Court of Appeal but was not addressed in its judgment.

The High Court therefore had to consider, on the Crown's appeal, whether the Court of Appeal had been correct in holding that the verdicts had been unreasonable, and on DQN's appeal, whether there had been an error of law.

Both these appeals had to be decided: it would have been insufficient to simply dismiss the Crown's appeal because there had been a substantial miscarriage of justice, because that would leave standing the Court of Appeal's entry of acquittal.

In the result, the Crown was entitled to a retrial because the verdicts were not unreasonable and the Court of Appeal should not have allowed DQN's appeal on that ground. There had to be a retrial because DQN's appeal also had to be allowed: there had been a substantial miscarriage of justice at trial.

Do these two grounds of appeal – reasonableness of verdict, and error of law giving rise to a miscarriage of justice – require different approaches by the appellate court? Both are subject to the proviso that the appeal may be dismissed if no substantial miscarriage of justice had actually occurred.

What is interesting about the High Court's judgment is its absence of reference to Weiss v R (2005) 224 CLR 300. Weiss requires the appellate court, upon finding that there was an error at trial giving rise to a miscarriage of justice, to determine whether the miscarriage was "substantial" by examining the whole of the record to assess whether the prosecution case was proved beyond reasonable doubt. Should you wish, you may locate my earlier comments on this by searching this site on the word Weiss.

In Nguyen the Court applied M v R [1994] HCA 63, (1994)181 CLR 487. This involves asking "was it open to the jury" to convict? It differs from the Weiss question, "is the appellate court satisfied of guilt"?

Plainly, the High Court could not apply Weiss because that would involve saying that it was satisfied of guilt, and also that there had been a substantial miscarriage of justice arising from failure to leave the jury with the alternative of manslaughter. The implications of this appeal highlight how inappropriate the Weiss approach can be.

Classic probability conundrums

2010-11-03T18:14:00.002+13:00

For an illustration on how people can argue about the correct answers to relatively simple problems in probability, see

http://opinionator.blogs.nytimes.com/2010/10/24/stories-vs-statistics/

John Allen Paulos, "Stories vs Statistics" NY Times, Opinion Pages online, October 24, 2010.

This article mentions some of the same examples as those to which I refer in my draft paper on propensity evidence (see link on this page).

I should enter the fray and not sit cowardly on the sidelines scoffing. The first problem is, if you are told that a stranger to you has two children, at least one of whom is a boy, what is the probability that the other is also a boy?

Note that neither child has been singled out, so this is a problem about the probability of having two boys. Given that one child will have been born before the other (even if a twin), the two children can have arrived as BB, BG, GB. The other combination, GG does not count in this example. So, one out of three eligible combinations gives two boys, and the probability of that occurring is 0.33.

If one child had been singled out, the problem would have been about the gender of one child (the other one). You might have been able to see one child, and were asked about the other. For one child, the probability of it being a boy is 0.50.

This problem illustrates how important it is to ascertain exactly what the issue is. The seemingly endless argument about this problem in the discussion to the above NY Times article exemplifies this.

Some people wonder why the combinations BG and GB are counted separately. They would say that the relevant combinations are just two: BB and (B and G). The error here is in thinking (B and G) will occur just as frequently as BB. This overlooks the way in which the data can arise. (B and G) will occur in two ways (namely, BG and GB) whereas BB will occur in only one way.

So the two lessons from this problem are: ascertain the issue, and examine how the data arises.

The other problem is known most commonly as the Monty Hall problem, after a game show host. The task is to pick which of three doors, A, B and C, will when opened reveal a prize. You pick one door, say A. The host, who knows where the prize is, then tells you it is not behind door C. Should you change your guess to door B?

When you choose door A, you divide the doors into two groups or classes: the chosen and the not-chosen. The probability of the prize being behind door A is 0.33. The probability of it being in the not-chosen class is 0.67. Once the host eliminates one member of the not-chosen class, the class probability for that class attaches to the only remaining member, door B. You should change your guess.

Some people object that each door always has the same probability of concealing the prize, and that there is no reason to change your guess from A. This ignores the new information the host gives you. Changing the probability distribution among members of one class does not affect the probability distribution among member(s) of another class. The constant probabilities are wrongly linked to the individual doors, rather than to the classes.

The lessons from this example are: use all the relevant information, and recognize when the issue is about members of one class as distinct from members of another class.

Another look at the right to legal advice

2010-10-27T16:30:00.003+13:00

The relationship between the right to legal advice and the right to a fair hearing, discussed here in commentary on R v Sinclair, 15 October 2010, was again a central theme in yesterday's United Kingdom Supreme Court decision, Cadder v HM Advocate [2010] UKSC 43. In this case the law of Scotland was brought into line with the law in other jurisdictions that apply the European Convention on Human Rights.

I suggested that Sinclair will have to be applied in a way that preserves the defendant's absolute right to a fair hearing. This too is a requirement of Cadder. All members of the Court agreed with the two leading judgments (although technically Lord Mance agreed with Lord Hope but through him also agreed with Lord Rodger). Lord Rodger put the relationship between the non-absolute right to legal assistance and the absolute right to a fair trial this way (95):

"First, as the European Court recognises, [in Salduz v Turkey] 49 EHRR 421, 437, para 55, since the right to legal assistance at the stage when a suspect is to be questioned is an implied right, it is not absolute and must be subject to exceptions when, in the particular circumstances, there are compelling reasons to restrict it. It is not suggested that there would have been any such reasons in this case. But the circumstances in which section 15 of the 1995 Act envisages delaying intimation to a solicitor (the interest of the investigation or the prevention of crime or the apprehension of offenders) could perhaps constitute compelling reasons to restrict the right of access in an appropriate case. It has to be remembered, however, that even a justified restriction may deprive an accused of a fair hearing and so lead to a violation of article 6: 49 EHRR 421, 436, para 52."

Key concepts are the "compelling reasons" needed before the right to legal assistance can be restricted, and the nature of the "fair hearing". Neither of those called for detailed consideration in Cadder.

I doubt that in practice the correct application of Sinclair will produce different outcomes in Canadian courts from those in Scottish courts under Cadder.

Lord Rodger at 100-103 also dealt with the argument that changing the law of Scotland now would create a need to revise all the decisions that had applied the earlier law, by applying dicta in A v The Governor of Arbour Hill Prison [2006] 4 IR 88, per Murray CJ at paras 36-38.

Lord Hope referred to Gafgen v Germany (a case discussed here on 3 July 2008, 3 December 2008, and 25 June 2010, and also in Part 3 of the overview of these notes posted on 14 January 2010). He held at 48 that Gafgen turned on it's facts and was not a limitation of Salduz.

With there now being less wriggle-room concerning rights compliance, attention will focus on whether waiver of the right to legal advice had been constituted by the defendant's continuing cooperation with police questioning.

Provoking nostalgia

2010-10-20T19:08:00.001+13:00

I recall that some of the better law students used to laugh at judges' efforts to elucidate the acts reus of attempts, especially impossible attempts, and also at their efforts to explain what provocation is. The latter has remained problematic, as can be seen from today's High Court of Australia decision in Pollock v R [2010] HCA 35. The case illustrates how even Bench Book directions derived from appellate judgments can be held by a higher court to be wrong.

In New Zealand we have repealed the statutory defence of provocation, as it is no longer thought to be necessary since the penalty for murder can in exceptional cases be less than life imprisonment. I am sure that, once the question of provocation is explored in sentencing hearings, the old difficulties will be revived.

Now that the questions concerning liability for impossible attempts have been solved, and provocation has diminished in importance, law students will be starved for intellectual stimulation in criminal law. Is there really anything worth puzzling over as far as the ingredients of offences and defences are concerned? Surely the focus of interest has shifted to admissibility issues, especially those involving rights.

So there is some nostalgia in reading Pollock - those old familiar authorities, those old familiar errors.

The right to legal advice

2010-10-15T15:17:00.012+13:00

The requirement that a confession must be voluntary has several components. One is the right to silence, and waiver of this right must be informed and freely exercised (another requirement of voluntariness). The need for "informed" waiver of the right to silence is the reason that a caution has to be administered before a suspect is interviewed. The caution also contains information about the right to legal advice. This right to legal advice protects the "informed waiver" component of the right to silence, but it also extends to protect the ongoing requirement of voluntariness that continues throughout an interview. It should ensure that the suspect knows that he can exercise the right to silence at any time during questioning. The suspect is entitled to advice which will inform him of the significance of the questioning that will occur: its importance for potential proof of criminal liability. That means that the legal adviser needs to know what offences might be charged and the way in which liability for them might arise from the suspect's answers if he is to be questioned.

When one asks what the right to legal advice entails, this context of the right in relation to voluntariness of a potential confession needs to be remembered. Does this context make the operation of the right to legal advice in any particular case a matter for balancing against other interests, such as the public interest in the bringing of offenders to justice? Or is the right to legal advice an absolute right because of its being a component of the voluntariness of a confession?

This latter position, absoluteness, was taken by LeBel, Fish and Abella JJ in R v Sinclair [2010] SCC 35 (8 October 2010) and again in a companion case decided the same day, R v McCrimmon [2010] SCC 36. They said that what needs to be justified is a limitation on the right to legal advice, not the exercise of the right (McCrimmon at 39). Their concern with the power imbalance inherent in a police interview led them to repeat the dissent they had issued in Sinclair.

I should say, parenthetically, that it was illegal for those judges to repeat the dissent: since the matter was decided by the majority in Sinclair, they were obliged to follow the law and apply Sinclair. They could have still in McCrimmon reached the same conclusion as they did, by turning attention to the requirement of voluntariness. Unfortunately, the splitting of issues on appeal has led to the right to legal advice being considered in detail but without its important context of voluntariness. There was necessarily some mention of voluntariness, but this was more by way of aside (see, for example, the majority in Sinclair at 62).

The majority in Sinclair (McLachiln CJ and Charron J, with Deschamps, Rothstein and Cromwell JJ concurring) held that the right to legal advice involves an initial informing and a reasonable opportunity to exercise the right. It does not include a right to have counsel present throughout the interview. There may, during the course of an interview, be a need for a further opportunity for legal advice, but this arises only where it objectively appears that the initial advice could have been inadequate or where a new issue makes an opportunity for advice appropriate. It is not enough that the suspect merely wishes to interrupt an interview, as the suspect can exercise the right to silence. Fundamental to the majority's approach is the view that ascertaining the contours of the right to silence requires consideration of societal interests in the investigation and solving of crimes (Sinclair at 58, 63).

One would have to think very carefully before venturing to disagree with Charron J on a point of the law of evidence. Whether or not one agrees with the majority reasoning should depend on whether one accepts that qualifying the right to silence, by qualifying the right to legal advice, risks jeopardising the absolute quality of the requirement that a confession is made voluntarily. The majority's reasoning seems to be that qualifying those subsidiary rights may be acceptable as long as the voluntariness of any confession remains absolute. That would be analogous to reasoning that has been used in relation to rights associated with the accused's absolute right to a fair trial (see, for example, R(Ullah) v Special Adjudicator noted here, and with reference to judicial difficulties, 3 September 2004).

The Sinclair majority's reasoning is anchored to an appreciation of the "broad sense" of voluntariness required for confessions (Sinclair at 62), but unfortunately these cases have no detailed discussion of voluntariness. The majority makes great claims for the role of the voluntariness requirement (Sinclair at 64: "If anything, our reasons broaden the protection available to suspects, and narrow the ambit of police questioning"), and there will be many who read that sceptically. A consequence of finding no breach of the right to legal advice if there was no impact on the voluntariness of a confession is that there would be no need for the balancing exercise to determine the admissibility of the confession (in Canada, the Grant balancing) in such cases. Of course, if there was an impact on voluntariness, exclusion would be automatic. But cases of lesser police impropriety would be immune from judicial criticism in the form of exclusion. A very "broad" sense of voluntariness would be needed to address those.

Also decided the same day was R v Willier [2010] SCC 37, in which the Court unanimously held that on the facts there was no breach of the right to legal advice. Each of the approaches, so different in philosophy, can still lead to agreement on particular facts.

There is a brief but interesting discussion of the relevance of foreign law (here Miranda) to the question of the meaning of the right to legal advice, in Sinclair at 38-42.

See also my discussion of R v Singh, 2 November 2007. And for the position in Europe, see Salduz v Turkey [2008] ECHR 1542 at para 50-55.

Interpreting positive drug tests in cyclists

2010-10-02T11:38:00.011+13:00

I am not a great follower of the sport of cycling. Apparently it is bad for the health of male genitals, and I can see why. But recently a successful cyclist, Alberto Contador, has tested positive for a minute trace of a substance that is banned. His explanation is that it must have been in meat he innocently ate. Farmers do use that drug to improve the muscle mass of their cattle. It seems to be thought that the controversy will be resolved by a second test of Mr Contador's body fluid samples.

Nonsense. The occurrence of the drug in people who eat meat from the same source as Mr Contador's meal must be examined. The probability of getting Mr Contador's test result, on the assumption that he is guilty of deliberately taking the drug, must be compared with the probability of getting his test result on the assumption that he is innocent. This latter is the proportion of people who have a similar test result who got that result innocently from eating.

Scientific reasoning is comparable to legal reasoning. In science the method of investigation involves attempting to disprove a null hypothesis. For example, if the null hypothesis was “this drug test result could not have been caused by food”, scientific inquiry would involve looking for an instance where the relevant sort of food consumption caused the same test result. Falsification of the null hypothesis was the criterion for scientific advance recognised in the scientific community and famously described by Karl Popper.

In legal reasoning applicable to criminal trials, the prosecution’s hypothesis is the null hypothesis (“this drug test result could not have been caused by food”). But it is not for the defence to disprove the null hypothesis. Of course, the defence could seek to do so, and would win if it did produce evidence that the null hypothesis was false. But generally it is for the prosecution to prove that there is nothing to falsify the null hypothesis. “Progress” in this legal context occurs where there can be no disproof of the null hypothesis, whereas in science progress is disproof of the null hypothesis. Obviously, whereas disproof of the null hypothesis occurs by a specific event, the prosecution’s task of showing there is no disproof of its hypothesis can only be a matter of likelihood.

A disadvantage of the scientific method is that disproof may be a long time coming, and this will slow down progress. Disproof has, in recent times, been complemented by another technique: asking what is the most likely hypothesis behind given observations. Given the drug test result, what is the most likely explanation? Law is similar: given the evidence, is the defendant’s guilt the most likely (to the necessary high standard) explanation? On this approach, conditional probabilities come into play. Hypotheses are compared as explanations for the observations or for the evidence. Bayes’ Theorem is a means of assessing the likelihood of an hypothesis as an explanation for an observed fact.

Mistakes in logic can be identified using Bayes’ Theorem, and it is not necessary for this that actual probabilities are known. A common error in logic is to say that the probability of A, given B, is the same as the probability of B, given A. Using the example of a (any) cyclist, the error would be in saying that the probability of this test result, given that the drug was taken deliberately, is the same as the probability that the drug was taken deliberately, given this test result. Another error of logic is to suppose that the likelihood of the cyclist having cheated can be derived directly from the likelihood of the drug having been in his food. This error is that of ignoring the other probabilities of the cyclist having cheated, taking into account all the relevant facts. A Bayesian approach avoids both these sorts of errors.

Ideas or decisions?

2010-09-22T19:02:00.007+12:00

Much that is of interest to criminal lawyers in Dickson v R [2010] HCA 30 (22 September 2010) is not discussed in the judgment.

The appellant had been convicted of an offence against a statutory provision that was invalid by reason of its inconsistency with s 11.5 of the Criminal Code (C'th). The High Court ordered that the charge should be quashed, the conviction entered on it should be quashed, and the sentence should be set aside.

The questions that naturally arise from this did not require decision, but some digression might have been interesting:

If Mr Dickson had been acquitted at trial, would that have been a valid acquittal?
Was he in jeopardy of conviction?
Can he, if now properly charged, plead previous conviction? Or previous acquittal (in view of the successful appeal)?
Would new proceedings on the same matter be an abuse of process?

There are implications of the decision that could be, for Australians, utterly horrifying, as Associate Professor Jeremy Gans suggests.

This decision has what are coming to be hallmarks of the new style of the High Court, at least in criminal cases: one judgment, tightly reasoned, narrowly focused. It is as if the Court has undertaken a physicist-like quest for a unified theory of everything (in the sense of one voice on every issue). Lady Hale would not approve (update: she elaborates here), and I agree with her.

There is nothing wrong with bringing the methods of science to law, but some sciences recognise the value of diversity. The current style does nothing to promote a growth in ideas.

For discussion of "null and void" at this site, see entries for 20 February 2006, 28 July 2006, and 13 May 2008.