Senior Investigating Officer (SIO)

A term from the College of Policing Authorised Professional Practice (APP), reproduced under the Open Government Licence with a link back to the authoritative source.

All glossary terms

Definition

Officer in charge of the criminal investigation related to the incident.

This definition is drawn from the College of Policing Authorised Professional Practice. For the full operational guidance and current wording, read it at source.

college.police.uk/app/civil-emergencies/disaster-victim-identification/dvi-roles-and-responsibilities college.police.uk/app/investigation/managing-effective-investigations college.police.uk/app/major-investigation-and-public-protection/investigating-child-abuse-and-safeguarding-children/managing-complex-child-abuse-investigations

Related terms

Casualty Bureau (CB)

Central point for receiving and assessing information regarding an incident.

Crown Prosecution Service (CPS)

The body responsible for prosecuting criminal cases investigated by police in England and Wales.

Disclosure Officer

The officer responsible for assessing and managing the disclosure of material gathered in an investigation.

Exhibits

Physical evidence collected during an investigation that needs to be managed for continuity and integrity.

Expert Advisors (EAs)

Specialist individuals who provide independent advice and expertise during investigations.

Family Liaison Officer (FLO)

Act as a primary point of contact for bereaved families.

Definition reproduced from the College of Policing Authorised Professional Practice under the Open Government Licence v3.0. See the source link above for the authoritative, current wording.