Katsuno, Katsuno, Honda, Asami v The Queen

This matter concerned an appeal by the applicants, Katsuno, Katsuno, Honda, and Asami, against their convictions for offences under the *Crimes Act 1914* (Cth). The applicants had been found guilty by a jury in the Supreme Court of New South Wales of offences relating to the importation of prohibited imports, specifically heroin, into Australia. The appeal was heard by the High Court of Australia.

The central legal issues before the High Court were whether the trial judge had erred in admitting certain evidence, specifically evidence of prior convictions and alleged admissions made by the applicants, and whether the summing up to the jury was adequate in relation to the evidence presented. The applicants contended that the admission of this evidence was unfairly prejudicial and that the jury instructions failed to properly guide them on how to consider such evidence.

The High Court, in its joint judgment, considered the admissibility of the evidence under the *Evidence Act 1995* (NSW), which applied in the criminal proceedings. Their Honours found that the evidence of prior convictions, while potentially prejudicial, was admissible as it tended to show a course of conduct and was relevant to the question of intent. Regarding the alleged admissions, the Court held that the trial judge had adequately warned the jury about the unreliability of such evidence and the need for caution. The Court ultimately dismissed the appeal, finding no error in the trial judge's directions or rulings that would warrant setting aside the convictions.