Where evidence on joined charges is cross-admissible as propensity evidence under s 31A of the Evidence Act 1906 (WA), there can be no relevant prejudice from joinder and the discretion to order separate trials under s 133(3) of the Criminal Procedure Act 2004 (WA) is not enlivened. Numerous similarities in the pattern of offending — including the involvement of the same third party, similar-aged victims, polyamorous sexual activity, and provision of drugs — can establish significant probative value even where there are differences in the precise nature of the sexual acts, the degree of intoxication, and the location.
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