McEachern v The Queen

In *McEachern v The Queen*, the High Court of Australia considered an appeal against a conviction for murder. The appellant, McEachern, had been found guilty of murder by a jury in the Supreme Court of Queensland and subsequently appealed to the Court of Appeal of Queensland, which dismissed his appeal. The High Court then granted special leave to appeal from the decision of the Court of Appeal.

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 defence of provocation. Specifically, the court had to determine if the evidence presented at trial was capable of supporting a finding that the appellant had acted under a sudden or temporary loss of self-control induced by provocation, thereby reducing the charge from murder to manslaughter.

The High Court, in a joint judgment, held that the trial judge's summing up had been deficient in its explanation of the elements of provocation. Their Honours emphasised that the defence of provocation requires an objective element (that the provocation was such as would cause an ordinary person to lose self-control) and a subjective element (that the particular accused did in fact lose self-control). The court found that the jury had not been properly instructed on the objective test, and that the evidence, when viewed in a light most favourable to the appellant, was capable of supporting a finding of provocation. Consequently, the High Court allowed the appeal, quashed the conviction for murder, and ordered a new trial.