The co-conspirators rule does not require the trial judge to direct the jury to first consider evidence directly admissible against a particular accused before using co-conspirator evidence; Conway v R is disapproved on this point. In conspiracy cases, jury unanimity is required as to the existence of the conspiracy and the accused's participation in it, but not as to which specific co-conspirators the accused agreed with. The parity principle in sentencing is confined to co-offenders in the same criminal transaction and cannot be extended to permit comparison with sentences in unrelated cases.
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