On this Behind the Line, we give you a snapshot of mugshots from the past.
Dec. 20, 1974 is a day that will never be forgotten by the Calgary Police Service. Watch a sneak peek of our documentary on Black Friday, one of the most significant events in CPS history.
Find the full documentary here.
The main form of communication between Patrol Officers and Headquarters was Call Boxes. Not anything like the cellphones and radios of today.