Police failed to investigate Arlene Arkinson's disappearance properly
Police Officer's attitude to complaints system is improving: survey
Complaints against police drop 10%: annual report
Investigation of police officer's murder not thorough: Police Ombudsman.
Complaints figures released for Carrickfergus area
PSNI not to blame over death of Derry / Londonderry man
Police should have begun investigation - Police Ombudsman
No evidence of collusion in brothers' double murder, but investigation was brief and flawed: Police
No evidence Greysteel could have been prevented: Nuala O'Loan