A constable of a police force in England and Wales.
A member of staff appointed by the chief officer of police of a police force in England and Wales.
An employee of the Common Council of the City of London who is under the direction and control of a chief officer of police.
A constable within the meaning of Part 1 of the Police and Fire Reform (Scotland) Act 2012 (asp 8) (see section 99 of that Act).
A member of staff appointed by the Scottish Police Authority under section 26(1) of the Police and Fire Reform (Scotland) Act 2012.
A police officer within the meaning of the Police (Northern Ireland) Act 2000 (see section 77(1) of that Act).
A constable of the British Transport Police Force.
An employee of the British Transport Police Authority appointed under section 27 of the Railways and Transport Safety Act 2003.
A constable of the Ministry of Defence police.
A National Crime Agency officer.
A person who has been engaged to provide services consisting of or including the extraction of information from electronic devices for the purposes of the exercise of functions by a person listed in this Part of this Schedule.