T. J. Hooker (1982)

S04E20 Serial Murders

Hooker delves into a string of gruesome murders committed by a pair of fanatical religious zealots, joined by Sergeant Leigh Stockwell, a longtime friend and mentee. However, Hooker begins to suspect that Leigh is struggling with a cocaine addiction, which poses a threat not only to the investigation and Leigh’s career but also endangers Hooker’s own life.