Baini v The Queen [2012] HCATrans 197

In *Baini v The Queen*, the High Court of Australia considered an appeal from a decision of the Supreme Court of Queensland. The appellant, Mr. Baini, had been convicted of murder and sentenced to life imprisonment. The appeal concerned the admissibility of certain evidence during his trial.

The central legal issue before the High Court was whether the trial judge had erred in admitting evidence of the appellant's prior convictions. Specifically, the court had to determine if this evidence was improperly used to suggest that the appellant had a propensity to commit criminal acts, thereby prejudicing the jury against him.

Gummow and Hayne JJ found that the evidence of prior convictions was indeed improperly admitted. Their Honours reasoned that the evidence did not fall within any of the exceptions to the general rule against admitting evidence of prior convictions to prove propensity. The admission of this evidence was considered to have created a real risk of unfair prejudice, as it invited the jury to infer guilt based on the appellant's past criminal behaviour rather than on the evidence relating to the offence charged. Consequently, the High Court allowed the appeal, quashed the conviction, and ordered a new trial.