Partly based on a true story and partly fiction, this humanly degrading drama does not concern monsters of the imagination, but a murderer who is paroled after 10 years in prison and then kills again in a particularly inhuman way. He breaks into a house and murders its three occupants when they return: an elderly mother, her mentally handicapped son who is confined to a wheelchair, and her pretty daughter. The killer drinks the blood of one of the victims while reciting all the abuse he experienced as a child that made him commit this act against three strangers. As the story continues to unfold, psychiatrists are brought in to discuss the man's mental condition. The gruesome scenes were filmed with the best cinematography possible, implying the director wanted to emphasize the gore. It is difficult to find any valid reason in this film for dwelling on the killings and the murderer, other than simple exploitation for a better box office take.
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