He Didn't Know I Was There Signs of a Psychopath : Season 5 Episode 21
Investigation Discovery 30m
Aired: July 16th, 2023 @ 10:00 PM EST on Investigation Discovery
A gunman shoots a man dead as he runs along a country road, and first responders find a witness standing next to the body with a strange story to tell. Law enforcement detectives unravel the lies of a callous psychopath who takes out his frustrations in bloodshed.
