Serial Killer: Devil Unchained (2019)

First Air Date: 2019-07-22
Last Air Date: 2019-08-05
Total Seasons: 1
Total Episodes: 3
Network: Investigation Discovery

Investigative journalist Maria Awes gets a call from serial killer Todd Kohlhepp, who claims that he has murdered more victims. She teams up with former FBI profiler John Douglas and Kohlhepp's biographer Gary Garrett, to unravel the truth.