No Mercy Signs of a Psychopath : Season 6 Episode 8
Investigation Discovery 30m
Aired: May 23rd, 2023 @ 10:00 PM EST on Investigation Discovery
Milford, New Hampshire reels after police arrest teenagers for robbing and murdering 42-year-old Kimberly Cates and maiming her 11-year-old daughter. Detectives uncover two suspects who are not ordinary criminals but sadistic psychopaths.
