The next episode is season 9, episode 5.
The Serial Killer Who Only Killed Once will air 3 hours from now, at February 16th 2026.
People Magazine Investigates
November 2016
Investigation Discovery, United States
Running
Documentary
Drama, Crime, Mystery
Next episode
Previous episode
The last episode was season 9, episode 4.
Playing With Fire aired 2 weeks ago, at February 3rd 2026.