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Authorised Professional Practice

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This page is from APP, the official source of professional practice for policing.

Major investigation and public protection

The following documents remain current until further notice:

See further HSE work-related deaths resources.

Investigating deaths in prisons

A Memorandum of Understanding has been developed between NPCC and the Prisons & Probation Ombudsman (PPO).

The MoU confirms police SIO primacy in all death investigations but confirms that there is a requirement to collaborate and share information with the PPO‘s investigator. The MoU covers the following points:

  • the police will approach all deaths in custody as a potential homicide
  • a joint strategy meeting between the police, PPO and Coroner must be held for all death in custody investigations. It may also be necessary to involve the CPS in some cases
  • the presumption is that all relevant information will be shared between the police and PPO unless there are specific reasons why this cannot happen

The PPO is an arms-length Body attached to the Ministry of Justice. The Ombudsman has jurisdiction to independently investigate the death of anyone in prison custody, immigration detention or who is a resident of an Approved Premise.

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