R v Cahill

In the case of R v Cahill, the appellant stood trial on four counts related to alleged sexual offences against a single complainant. Count 1 involved an assault with intent to commit rape, while counts 2 to 4 related to sexual assault. The jury acquitted the appellant on counts 1 to 3 but found him guilty on count 4. The appellant's appeal focused on the inconsistency and unreasonableness of the verdict on count 4, given the acquittals on the other counts. The appellant argued that the jury's acceptance of the complainant's evidence on count 4 was incompatible with their rejection of it on counts 1 to 3. The court was tasked with determining whether the differing verdicts were illogical and unreasonable to the point of necessitating a retrial or an acquittal on count 4.

The legal issues before the court were whether the verdict of guilty on count 4 was inconsistent with the acquittals on counts 1 to 3 and whether such inconsistency rendered the verdict unreasonable. The appellant's counsel contended that the jury's acceptance of the complainant's evidence on count 4, while rejecting it on the other counts, was illogical. The prosecution argued that the jury was entitled to believe different parts of the complainant's testimony, depending on the specific charge. The court needed to assess the coherence and reasonableness of the jury's verdicts in light of the evidence presented.

In delivering its judgment, the court acknowledged the principle that a jury's verdict, if supported by evidence, must be accepted unless it is patently illogical or unreasonable. The court examined the evidence and the jury's reasoning and found that the differing verdicts were indeed inconsistent and unreasonable. Given the complainant's evidence was central to the prosecution's case, the jury's partial acceptance of it raised questions about the reliability and coherence of their decision-making process. Consequently, the court concluded that the verdict on count 4 was inconsistent with the acquittals on counts 1 to 3 and was unreasonable. As a result, the appeal against the conviction on count 4 was allowed, the guilty verdict was set aside, and a retrial was ordered on that count.