Fruit of the Poisonous Tree.

Christopher Bennett, a police detective from Phoenix, Arizona, is struggling from memories of a case from his past, and after a heated altercation with his wife Elizabeth, he decides to go on vacation to his hometown of Galesburg, Illinois. Local sheriff, Alex Cimbol, an old family friend, hears of Bennett's return and asks for his assistance in an ongoing investigations, They soon discover a number of elaborate and grotesque murders and realize they are dealing with fanatic religious cult.