The pilot episode of the British police series 'The Sweeney' introduced Jack Regan, a tough detective known for his unconventional methods, which often put him at odds with his bosses rather than the criminals he's investigating.
Armchair Cinema
A flying squad officer survives a brutal attack by gangsters in a London pub, but ultimately succumbs to his injuries. The officer's death sets off a chain of events as a determined and unconventional detective, Regan, takes on the case to track down and punish the culprits.