Wagner v Director of Public Prosecutions

The Director of Public Prosecutions applied to the High Court of Australia for special leave to appeal a decision concerning the interpretation of section 13(5) of the War Crimes Act. The applicant sought to challenge a refusal to stay proceedings, arguing that the South Australian appeal processes, as interpreted by the Full Court in *Reg v Garrett*, prevented an appeal against such a decision prior to conviction. This legislative policy aimed to avoid fragmenting the criminal process by deferring such issues to an appeal against conviction.

The central legal issue before the High Court was whether the applicant, the Director of Public Prosecutions, had grounds for special leave to appeal a pre-trial decision to stay proceedings, given the limitations on interlocutory appeals in South Australia. The applicant contended that section 13(5) of the War Crimes Act, which allows a judge to stay proceedings if certain conditions are met regarding the inability to obtain evidence and substantial prejudice to the defence, contemplated a remedy available before trial and, in some circumstances, before conviction. The applicant argued that the specific circumstances of this case, where no other avenue for appeal existed in South Australia, raised difficulties for the defence and necessitated an interpretation of section 13(5) that allowed for pre-conviction review.

The High Court considered the applicant's submission that the legislative policy of preventing interlocutory appeals in South Australia created a situation where the defence might be prejudiced, particularly in light of the specific provisions of section 13(5) of the War Crimes Act. This section outlines criteria for a judge to grant a stay of proceedings, including the inability to obtain evidence, substantial prejudice to the defence, and the interests of justice. The applicant argued that these criteria suggested a contemplation of remedies being available before a trial commenced, or at least before a conviction.