R v Gavin Lee McNaughton

R v Gavin Lee McNaughton

The trial judge's summing up improperly invited the jury to speculate about medical causation without expert evidence, and expressed partiality, rendering the convictions unsafe and requiring them to be quashed.

Parties
Appellant: Gavin Lee McNaughton; Respondent: Rex
Jurisdiction
England and Wales
Judgment Date
15 July 2025
Procedural Posture
Criminal Appeal / Judgment on Appeal and Retrial Application
Outcome
convictions quashed; retrial ordered
Legal Topics
Sexual Offences, Judicial Impartiality, Admissibility of Evidence, Retrial, Reporting Restrictions
Criminal Law Sexual Offences Judicial Impartiality Admissibility of Evidence Retrial Reporting Restrictions

Case Brief

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Parties

Gavin Lee McNaughton

Appellant

Rex

Respondent

Procedural Posture

Criminal Appeal / Judgment on Appeal and Retrial Application

Legal Issues

  1. 1 Whether the trial judge's summing up was prejudicial and rendered the conviction unsafe
  2. 2 Admissibility and impact of speculative medical evidence without expert testimony
  3. 3 Judicial impartiality in summing up

Ratio Decidendi

The trial judge's summing up improperly invited the jury to speculate about medical causation without expert evidence, and expressed partiality, rendering the convictions unsafe and requiring them to be quashed.

Court Disposition

convictions quashed; retrial ordered

Orders

  • Appeal against conviction allowed
  • Convictions on counts 2, 3, and 4 quashed