PDJ v The Queen

The case of PDJ v The Queen concerned an appeal to the High Court of Australia by the applicant, PDJ, against a decision of the Supreme Court of Queensland. The dispute arose from PDJ's conviction for a serious criminal offence.

The central legal issue before the High Court was whether the trial judge had erred in admitting certain evidence during PDJ's trial. Specifically, the court had to consider the admissibility of evidence obtained through an alleged breach of a statutory provision, and whether such a breach rendered the evidence inadmissible under the common law or any relevant statutory exclusionary rules.

The High Court, comprising Gleeson CJ and Heydon J, examined the principles governing the admissibility of evidence obtained in contravention of statutory provisions. Their Honours considered the discretion of the trial judge to exclude evidence, particularly where its prejudicial effect might outweigh its probative value, and the application of the exclusionary rule at common law. The court's reasoning focused on the nature of the statutory breach and its impact on the fairness of the trial.

The High Court allowed the appeal, quashed the conviction, and remitted the matter to the Supreme Court of Queensland for a retrial.