HomeKrimidexfamily mass murderConceptfamily mass murderDefinitionRead moreThe DeFeo Family Murders — Amityville mass killing of 1974The DeFeo family murders are a 1974 American mass killing in which Ronald DeFeo Jr. shot dead his parents and four siblings at 112 Ocean Avenue in Amityville, New York.Related articlesThe DeFeo Family Murders — Amityville mass killing of 1974The DeFeo family murders are a 1974 American mass killing in which Ronald DeFeo Jr. shot dead his parents and four siblings at 112 Ocean Avenue in Amityville, New York.
