Investigation Discovery continues its heritage of providing in-depth  compelling documentaries & shows.

Investigation Discovery

Maria faces a gruesome new forensic discovery and takes a trip to visit Todd Kohlhepp's property; when he confesses to two more murders, Maria seeks the sheriff's help to organize a search for the bodies, fearing this is only the beginning.

Serial Killer: Devil Unchained

Lost in the Woods

Maria Awes visits the Superbike crime scene because the ballistic evidence doesn't match Todd Kohlhepp's confession and investigates allegations that the police could have caught him sooner.

In Plain Sight

Investigative journalist Maria Awes receives a call from serial killer Todd Kohlhepp who claims he has murdered more than his seven known victims; Awes teams up with former FBI profiler John Douglas and biographer Gary Garrett to unravel the truth.

A Killer Revealed

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Investigative journalist Maria Awes teams up with retired FBI criminal profiler John Douglas to learn the extent of serial killer Todd Kohlhepp's crimes.

S1 E1 | A Killer Revealed