Everything seemed ordinary on Halloween 1974 when Timothy O'Bryan went trick or treating with his family. However, by the end of the night, Timothy had been murdered. The discovery of cyanide in his candy, as well as the cyanide in other children's candy led to people panicking that someone was giving poisoned candy to children on Halloween. Was there really a kid killer giving poisoned candy to children in Texas 1974? Or, had something even more sinister happened.