About
Mass murderer who shot his mother, father, and four siblings while they lay sleeping, and was inspiration for the film and book The Amityville Horror.
Before Fame
He worked at his grandfather's car dealership.
Trivia
He pleaded insanity, but was found guilty of the murders and sentenced to 6 separate sentences of life in prison.
Family Life
He was the son of Ronald DeFeo, Sr. and Louise DeFeo. He claimed he heard the voices of his family plotting against him and so he killed them in their sleep.
Associated With
Actor Ryan Reynolds starred in the 2005 film The Amityville Horror, based on the book about the killings.