Mitchell v The King [2023] HCA 5

Mitchell v The King [2023] HCA 5

The doctrine of extended joint criminal enterprise cannot be combined with the constructive murder pathway in s 12A of the Criminal Law Consolidation Act 1935 (SA) to create liability for murder based merely on foresight of an intentional act of violence by a co-venturer. The legislative scheme does not permit the extension of liability in this way, and any error regarding the directions given to the jury on these principles requires the convictions to be quashed and retrials ordered.

Parties
Appellant: Benjamin John Mitchell; Appellant: Alfred Claude Rigney; Appellant: Aaron Donald Carver; Applicant: Matthew Bernard Tenhoopen; Respondent: The King
Jurisdiction
Australia
Judgment Date
08 March 2023
Procedural Posture
Criminal Appeal and Application for Special Leave / High Court of Australia (final Appellate Court, Post Conviction, on Appeal From the Supreme Court of South Australia)
Outcome
Appeals allowed; convictions quashed; new trials ordered.
Legal Topics
Murder, Constructive Murder, Extended Joint Criminal Enterprise, Complicity, Jury Directions
Criminal Law Murder Constructive Murder Extended Joint Criminal Enterprise Complicity Jury Directions

Case Brief

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Parties

Benjamin John Mitchell

Appellant

Alfred Claude Rigney

Appellant

Aaron Donald Carver

Appellant

Matthew Bernard Tenhoopen

Applicant

The King

Respondent

Procedural Posture

Criminal Appeal and Application for Special Leave / High Court of Australia (final Appellate Court, Post Conviction, on Appeal From the Supreme Court of South Australia)

Legal Issues

  1. 1 Whether the doctrine of extended joint criminal enterprise can operate in combination with s 12A of the Criminal Law Consolidation Act 1935 (SA) to render an accused guilty of murder based on foresight of the possibility of the commission by a co-venturer of any intentional act of violence.
  2. 2 Whether the trial judge misdirected the jury as to the requirements for liability for murder under both common law extended joint criminal enterprise and s 12A constructive murder pathways.

Ratio Decidendi

The doctrine of extended joint criminal enterprise cannot be combined with the constructive murder pathway in s 12A of the Criminal Law Consolidation Act 1935 (SA) to create liability for murder based merely on foresight of an intentional act of violence by a co-venturer. The legislative scheme does not permit the extension of liability in this way, and any error regarding the directions given to the jury on these principles requires the convictions to be quashed and retrials ordered.

Court Disposition

Appeals allowed; convictions quashed; new trials ordered.

Orders

  • Appeal allowed in each of A14/2022, A15/2022, and A16/2022.
  • Order 2 of the orders of the Court of Appeal of the Supreme Court of South Australia made on 10 August 2021 set aside and substituted with orders that: the appeal be allowed; the conviction be quashed; and there be a new trial.