Mickey Spillane's Mike Hammer (1958)

So That's Who It Was (1x5)

: 11, 1958

Mike responds to a phone call from a small-time junkie requesting protection too late; he finds his friend shot to death in a Chinatown alley. Not satisfied that the police will exert themselves to find the man's killer, Mike launches his own investigation and links the crime to an earlier unsolved murder.