Historical investigations reports

Reports relating to Police Ombudsman investigations of alleged serious misconduct and criminality by police officers during The Troubles - the conflict in Northern Ireland between 1968 and the Good Friday Agreement of 1998.

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Murder of Bertie Frazer: Police Ombudsman concludes RUC investigation failed family

Published Date: 5 February 2026
Police Ombudsman ‘unable to conclude definitively’ on WERC allegations

Published Date: 3 December 2025
RUC investigation into 1989 murder of John Devine ‘seriously defective’

Published Date: 12 June 2025
Police investigation of the murder of Peter Gallagher was "wholly inadequate"

Published Date: 28 May 2025
Investigative failings in RUC Kingsmill investigation which had ‘wholly insufficient resources'

Published Date: 29 April 2025
RUC murder investigation was ineffective and therefore incapable of bringing perpetrators to justice

Published Date: 24 April 2025