Plot Synopsis

VALLEY OF THE DAMNED is a six-part docuseries that examines seven murders that rocked the beautiful, desolate mountain region of Fremont County, deep in the Rocky Mountains of Colorado. This vast, inhospitable region of Southern Colorado is known as Prison Valley because it is home to 15 high security prisons including America's only Federal Supermax. This valley has more correctional facilities than any other in the US, so in a town where you're surrounded by prisons, how does someone get away with murder? Prison Valley is no stranger to violent inhabitants - housed within prison walls are some of the most infamous criminals, including drug lord El Chapo and Unabomber Ted Kaczynski. But outside those walls, the valley itself is a safe community where residents look out for one another. For the first time ever, family, police, witnesses, lawyers and journalists come together to discuss the murders that occurred in their town -- a place that is ultimately the monstrous force that ties all of these murders together. Each of the six episodes tell the raw and emotional stories of twisted, psychologically complex homicides that all took place in Prison Valley; from the carefully planned assassination of Prison Valley's Head of Corrections, to an infamous Colorado love-triangle murder case, and a charismatic Jehovah's Witness who chose murder over divorce. In the premiere episode, police must work to connect the seemingly unrelated murders of Dominos' pizza delivery driver Nathan Leon and Colorado Prisons Chief Tom Clements. Investigators go from having virtually no information to being swamped by a myriad of possible suspects with a motive to kill, and a suspect pool that spans Colorado's 20,000 former prison inmates.
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On Tuesday, October 8, 2019 at 10pm ET/PT, Investigation Discovery premiered "Impossible Perpetrator," the season finale of VALLEY OF THE DAMNED. When teen Candace Hiltz is shot dead in Prison Valley, the cops pursue her troubled brother James. With no evidence against him, the case goes cold until ten years later when a cop's storage unit is discovered to contain evidence in Candace's murder.