As part of the Great Crimes and Trials of the 20th Century series, this video examines the cases murder cases of Butch Defeo and Graham Young. Both men were accused of murdering their families. Defeo was responsible for the "Amityville Murders", having killed six members of his family while they slept in their home. Graham Young became known as the "Teacup Poisoner", after poisoning his step-mother, father, sister and several co-workers. Actor Robert Powell narrates. ~ Ed Atkinson, Rovi