Irwin v The Queen

The High Court of Australia considered an appeal by the applicant, Mr. Irwin, against his conviction for murder. The dispute centred on the admissibility of certain evidence during his trial, specifically evidence obtained through a covert recording of a conversation between Mr. Irwin and a police informant. The core of the appeal concerned whether this evidence should have been excluded under the principles of procedural fairness and the rule against hearsay.

The primary legal issues before the High Court were whether the trial judge erred in admitting the covert recording, and if so, whether the admission of that evidence had occasioned a substantial miscarriage of justice. This involved determining whether the recording was obtained in circumstances that breached Mr. Irwin's right to procedural fairness, and whether the evidence constituted inadmissible hearsay, or if any exceptions to the hearsay rule applied.

The High Court, in a joint judgment, found that the admission of the covert recording was an error. Their Honours held that the circumstances in which the recording was obtained breached Mr. Irwin's right to procedural fairness, as he was not informed of the recording and therefore had no opportunity to object to its use. Furthermore, the Court determined that the recording constituted inadmissible hearsay, as it was an out-of-court statement tendered to prove the truth of its contents. The Court concluded that the admission of this evidence had occasioned a substantial miscarriage of justice, as it was highly prejudicial and likely influenced the jury's verdict. Consequently, Mr. Irwin's conviction was quashed, and a retrial was ordered.