Wark v The State of Western Australia [No 3]

The case of Wark v The State of Western Australia [No 3] involved Francis John Wark, the appellant, appealing against his conviction for murder. The court was the Court of Appeal in Western Australia. The appellant sought the disqualification of Justice Mazza from the appeal, claiming a reasonable apprehension of bias based on Justice Mazza's previous decision in the first appeal.

The legal issue was whether there was a reasonable apprehension that Justice Mazza might not decide the current appeal impartially. The appellant argued that since Justice Mazza had dismissed a similar ground in the first appeal, there was a possibility that Justice Mazza might not approach the current appeal with an open mind. The appellant contended that the evidence in the second trial was essentially the same as that in the first trial, leading to the apprehension that Justice Mazza might not bring an impartial mind to the current appeal.

Justice Mazza dismissed the application for disqualification. The reasoning was that the evidence in the second trial, while similar to the first, was materially different. The appellant had given sworn evidence in the second trial, and the DNA evidence had changed. Justice Mazza explained that a fair-minded lay observer would understand that a judge, due to their training, would be able to consider the new evidence impartially. Therefore, there was no reasonable apprehension that Justice Mazza would not decide the appeal impartially based on the new evidence.

The court concluded that the application for disqualification was without merit. The evidence in the second trial was different enough that a fair-minded lay observer would not reasonably apprehend bias.