Palmer v The Queen

Palmer was the appellant and The Queen was the respondent in proceedings before the High Court of Australia concerning a conviction for murder. The appellant had been convicted of murder in the Supreme Court of Queensland and appealed that conviction to the High Court.

The central legal issue before the High Court was whether the trial judge had erred in law by failing to direct the jury adequately on the issue of provocation as a defence to the charge of murder. Specifically, the court considered whether the judge's directions were sufficient to ensure the jury understood the elements of provocation, including the requirement that the provocation must be such as to make an ordinary person lose self-control, and that the act of the accused must be attributable to that loss of self-control.

Brennan CJ, in his reasons, emphasised that the defence of provocation requires a causal link between the provocation and the act of killing. His Honour noted that the jury must be satisfied that the provocation was of a kind that could have caused an ordinary person to lose self-control, and that the accused's act was a consequence of that loss of control. The judge's charge must clearly convey these requirements to the jury to avoid misdirection.

The High Court allowed the appeal, quashed the conviction for murder, and ordered a new trial.