Cooper & Anor, R v

Cooper & Anor, R v

The cumulative effect of undisclosed evidence, fresh evidence, and police misconduct undermined the credibility of the prosecution's principal witness and rendered the convictions of Cooper and McMahon unsafe. The appeals must be allowed.

Parties
Respondent: R; Appellant: David Cooper; Appellant: Michael G. McMahon
Jurisdiction
England and Wales
Judgment Date
31 July 2003
Procedural Posture
Criminal Appeal / Final Judgment
Outcome
Appeals allowed; convictions quashed.
Legal Topics
Murder, Unsafe Conviction, Fresh Evidence, Disclosure Obligations, Corroboration, Police Misconduct
Criminal Law Murder Unsafe Conviction Fresh Evidence Disclosure Obligations Corroboration Police Misconduct

Case Brief

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Parties

R

Respondent

David Cooper

Appellant

Michael G. McMahon

Appellant

Procedural Posture

Criminal Appeal / Final Judgment

Legal Issues

  1. 1 Whether the convictions of David Cooper and Michael G. McMahon for murder are safe in light of fresh evidence and non-disclosure by the prosecution.
  2. 2 Whether the cumulative effect of undisclosed evidence, police misconduct, and fresh evidence undermines the credibility of the prosecution's principal witness and the safety of the convictions.

Ratio Decidendi

The cumulative effect of undisclosed evidence, fresh evidence, and police misconduct undermined the credibility of the prosecution's principal witness and rendered the convictions of Cooper and McMahon unsafe. The appeals must be allowed.

Court Disposition

Appeals allowed; convictions quashed.

Orders

  • Convictions of David Cooper and Michael G. McMahon quashed.