First Officer to Attend (IIO)
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.
Definition
The primary officer responsible for initiating the investigation into a missing person report.
This definition is drawn from the College of Policing Authorised Professional Practice. For the full operational guidance and current wording, read it at source.
Related terms
Family Liaison Officer (FLO)
Act as a primary point of contact for bereaved families.
Gold Command
The highest level of command within the police structure governing major incidents.
Missing Person
An individual whose whereabouts cannot be established and is therefore considered to be missing.
Search and Rescue Teams
Specialized groups that assist in searching for missing persons, including volunteers and organizations like the Fire and Rescue service.
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.