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Findings from investigation into the death of Miranda Stevenson’s death in custody

Factual summary of a published IOPC investigation, covering the incident, key findings and outcome.

All IOPC reports
Published
2020-09-20
Investigation type
independent
Force involved
Surrey Police

What was investigated

On 30 May 2015, a woman was arrested for breaching a closure order and subsequently died in custody on 1 June 2015. An independent investigation was conducted into the circumstances of her death.

Key findings

  • There were shortcomings in Surrey Police’s training on conducting cell checks.
  • Welfare checks were not carried out in line with national guidance.
  • The use of spyhole checks was incorrectly trained as acceptable.
  • A custody sergeant and six DDOs had a case to answer for gross misconduct.
  • The woman was found deceased approximately 12 hours after welfare checks were last recorded.
  • The evidence suggested mismanagement of her medical condition was a factor in her death.
  • No criminal charges were pursued after review by CPS.
  • The custody sergeant received management advice after a misconduct meeting.

Outcome

The IOPC investigation led to disciplinary actions against DDOs, with some receiving final written warnings. The custody sergeant was given management advice, which was upheld after an appeal process.

Read the full report on policeconduct.gov.uk

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Last reviewed: 13 July 2026 · Next review due: 13 January 2027

This is a factual summary of a report published by the Independent Office for Police Conduct. Individuals are referred to exactly as the source report anonymises them. BlueLineHub is independent and not affiliated with the IOPC · Summarised 2026-07-13.