Brooklyn, New York, USA | 1951-09-26 | 2021-03-12

Ronald Joseph DeFeo Jr. was an American mass murderer who was tried and convicted for the 1974 killings of his father, mother, two brothers, and two sisters in Amityville, New York. Sentenced to six counts of 25 years to life, DeFeo died in prison on March 12, 2021.