Serial Killer: Devil Unchained

Filmmaker and investigative journalist Maria Awes sets out on a dark journey to uncover the truth behind Todd Kohlhepp's crimes – the ones we know about and additional ones he claims he committed. With the help of former FBI profiler John Douglas and Kohlhepp’s own biographer, Gary Garrett, Awes goes down a twisted path, talking to Kohlhepp’s family, as well as his victims and their families, uncovering early warning signs that might have helped stop a killer in his tracks. An intense and chilling journey. (Discovery Networks)