A special constable or special police constable can refer either to an auxiliary or part-time law enforcement officer; or a person who is granted certain police powers.
A patrol car of the Toronto Transit Commission's Transit Enforcement Unit, a special constabulary responsible for transit policing
Special constables of the British Columbia Provincial Police during the 1935 waterfront strike.
Vehicles used by the Edmonton Transit Service's Protective Services Division, whose members are peace officers.
A British Columbia Legislative Assembly Special Constable in uniform.
The Ulster Special Constabulary was a quasi-military reserve special constable police force in what would later become Northern Ireland. It was set up in October 1920, shortly before the partition of
Special constable
…Unlike their counterparts in Great Britain, part-time constables, like their predecessors in the RUC and PSNI Reserve, are paid. The Ulster Special Constabulary (see Ireland below) continued to exist until 1970, when its members were assimilated into the RUC as Auxiliary Constables or the Ulster Defence Regiment…
Ulster Special Constabulary memorial
1920 Special Constabulary uniform, in the Ulster Museum
B-Specials uniform, in the Free Derry Museum