IL v The Queen

Criminal law – Murder and manslaughter – Where appellant and deceased engaged in joint criminal enterprise – Where act causing death committed in course of joint criminal enterprise – Where Crown could not exclude possibility that deceased had committed act causing death – Where appellant charged with murder or manslaughter of deceased – Whether s 18(1) of Crimes Act 1900 (NSW) encompasses self-killing.

Criminal law – Joint criminal enterprise liability – Whether acts or liability for actus reus of crimes committed in course of joint criminal enterprise attributed to co-participant – Whether act of deceased causing death attributable to appellant.

Words and phrases – "attribution of acts", "complicity", "constructive murder", "derivative liability", "felo de se", "felony murder", "joint criminal enterprise liability", "primary liability", "rules of attribution", "self-murder", "suicide".

Crimes Act 1900 (NSW) – s 18.