French CJ, Kiefel, Bell, Gageler, Keane, Nettle, Gordon JJ
Criminal law – Criminal liability – Complicity – Extended joint criminal enterprise liability – Where appellants and fourth man involved in violent altercation, during which fourth man fatally stabbed victim – Where appellants tried with fourth man for murder – Where bases on which murder left to jury included extended joint criminal enterprise – Whether liability for murder on basis of extended joint criminal enterprise should have been left to jury – Whether extended joint criminal enterprise proper basis for conviction of murder.
Criminal law – Appeal – Where appeal against conviction on ground jury verdict unreasonable or cannot be supported having regard to evidence – Where evidence appellants intoxicated – Whether Court of Criminal Appeal of Supreme Court of South Australia reviewed sufficiency of evidence.
Criminal law – Criminal liability – Complicity – Extended joint criminal enterprise – Consideration of McAuliffe v The Queen (1995) 183 CLR 108;  HCA 37 in light of R v Jogee  2 WLR 681;  2 All ER 1 – Whether doctrine of extended joint criminal enterprise liability should be confined or abandoned.
High Court – Stare decisis – Whether McAuliffe v The Queen (1995) 183 CLR 108 should be reopened and overruled.
Words and phrases – "accessorial liability", "common purpose", "complicity", "extended common purpose", "extended joint criminal enterprise", "joint criminal enterprise", "review of sufficiency of evidence", "unreasonable verdict", "verdict not supported by the evidence".