Kanaan & Ors v The Queen

The High Court of Australia heard an appeal by the appellants, Kanaan and others, against a decision of the Supreme Court of New South Wales. The dispute concerned the appellants' convictions for conspiracy to import a commercial quantity of heroin. The central issue on appeal was whether the trial judge had erred in admitting certain evidence, specifically intercepted communications, which the appellants argued had been obtained unlawfully.

The High Court was required to determine whether the admission of the intercepted communications constituted a miscarriage of justice. This involved considering the provisions of the *Listening Devices Act 1984* (NSW) and the common law principles governing the admissibility of evidence obtained in contravention of statutory provisions. Specifically, the Court had to assess whether the trial judge had correctly exercised their discretion to admit the evidence, notwithstanding potential breaches of the Act.

The Court reasoned that while the intercepted communications may have been obtained in circumstances that raised questions about compliance with the *Listening Devices Act*, the trial judge had properly considered the probative value of the evidence against its prejudicial effect. Gleeson CJ and Gummow J held that the trial judge's discretion to admit the evidence was not wrongly exercised, as the evidence was highly relevant to the charges and the jury was adequately warned about its use. The High Court therefore dismissed the appeal.