Catanzariti v The Queen

The appeal in *Catanzariti v The Queen* concerned the admissibility and use of certain evidence by the trial judge in a criminal proceeding. The appellant, Catanzariti, was convicted of various drug trafficking offences. The appeal was heard by the Full Court of the Supreme Court of South Australia.

The central legal issues before the Full Court were whether the trial judge had erred in admitting and utilising evidence relating to a separate count (Count 4) to establish the identity of the substance in other counts, whether discreditable conduct evidence, including intercepted telephone conversations and unexplained wealth, was correctly used, and whether evidence of the appellant's participation in the supply of cannabis was improperly used as propensity evidence for another count (Count 5). Further issues included the correct application of the law regarding the appellant's involvement in drug trafficking as evidence of being engaged in the business of trafficking, the admissibility of acts and statements of the appellant's associates, and ultimately, whether the evidence proved the appellant trafficked cannabis and MDMA as charged.

The Full Court, comprising Kourakis CJ, Kelly P, and Doyle JA, dismissed the appeal. The Court reasoned that the trial judge had correctly admitted and used evidence from Count 4 to identify the substance in Counts 1, 2, and 3. The discreditable conduct evidence was also deemed correctly used, and the evidence of cannabis supply was not improperly used as propensity evidence for Count 5, but rather to demonstrate the appellant's coordination of associates. The judge's directions on the use of evidence of drug trafficking to infer engagement in the business of trafficking, and the warnings against "bad person" reasoning, were also found to be correct. The Court further held that the acts and statements of the appellant's associates were properly admitted, and that the totality of the evidence established that the appellant trafficked cannabis and MDMA as charged. The contention that there was insufficient evidence of the appellant directing the packaging of ecstasy for trafficking to Western Australia was rejected as the evidence was considered overwhelming.