R v Cruden

Warren Joseph Cruden was convicted of sexual violation of a minor and appealed the conviction. The appeal was heard by Glazebrook, Williams and MacKenzie JJ in the Court of Appeal of New Zealand. Cruden's appeal focused on the legal issues surrounding the admissibility of expert evidence and the judge's direction to the jury regarding the reliability of the complainant's evidence. The court was required to determine whether the trial judge erred in admitting the expert evidence and whether the direction to the jury was adequate.

The court found that the trial judge had erred in admitting the expert evidence as it was not relevant to the case and was potentially misleading. The court held that the evidence did not assist the jury in understanding the complainant's evidence and was therefore inadmissible. The court also found that the trial judge's direction to the jury regarding the reliability of the complainant's evidence was inadequate, as it did not properly address the factors that the jury should consider when assessing the reliability of the evidence. The court held that the direction failed to properly inform the jury of the importance of considering the context and circumstances in which the evidence was given.

As a result of these errors, the court allowed the appeal, quashed the conviction and ordered that no retrial be held. The court held that the errors were significant and could have affected the outcome of the trial, and that a retrial would not be in the interests of justice. The court's decision highlights the importance of ensuring that expert evidence is properly admitted and that juries are adequately directed on the assessment of the reliability of evidence, particularly in cases involving vulnerable complainants.