Forensic Files - Season 8 Episode 20 All the World's a Stage No Witnesses. No Leads. No Problem.
Overview: Police are dispatched to the scene of a shooting, and discover the victim's husband is one of their own: a homicide detective who says his wife accidentally shot herself in the head. The detective maintains he called 911 immediately, but the evidence seems to indicate otherwise. [also marked as S8:E10]