B.T.K. (2008)

Inspired by the real-life serial Killer, B.T.K is the gruesome story of Dennis L. Rader, a murderer who systematically tortured and killed his victims for over two decades while evading the police for over 30 years. Living a seemingly normal life as a husband, father, security officer and church president, Raders unquenchable thirst for blood ultimately led him to commit the most horrific crimes imaginable. Shocking and full of suspense, B.T.K is a grisly journey into the nightmarish world of a deranged killer. imdb

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