Smith v The State of Western Australia

Smith appealed to the High Court of Australia against a decision of the Supreme Court of Western Australia. The dispute concerned the admissibility of certain evidence obtained during a police investigation. Smith argued that the evidence, which included statements made by him to police, had been improperly obtained and should have been excluded from his trial.

The High Court was required to determine whether the evidence in question was obtained in contravention of Smith's rights, and if so, whether the trial judge had erred in admitting it. Specifically, the court considered the application of principles relating to the voluntariness of confessions and the proper exercise of judicial discretion to exclude improperly obtained evidence.

Kiefel and Keane JJ found that the evidence had indeed been obtained in circumstances that rendered it inadmissible. Their Honours reasoned that the police conduct had infringed upon Smith's rights, and that the trial judge had failed to properly consider the discretionary grounds for exclusion. Consequently, the High Court allowed the appeal.