In the Line of Duty: A Cop for the Killing 1990

When a cop goes down, his partner gets dangerous.

Directed by Dick Lowry

A look at the dangerous and bizarre life of an undercover cop who lives on the edge and the strife and heartbreak that comes with the job. There is also a tremendous amount of guilt and psychological pain when an undercover sting goes bad and they lose a comrade in the line of duty.