The Amityville Horror Unmasked Ronald DeFeo Jr.'s Role

'Amityville Horror' killer Ronald DeFeo Jr. was announced dead while still serving his prison sentence for murder, but what was his cause of ... Ronald Joseph “Big Ronnie” DeFeo, Sr. was born on November 16, 1930, to parents Rocco and Antoinette DeFeo. Find out all there is to know about the DeFeo family murders, which inspired the scary movie "The Amityville Horror." Ronald DeFeo, the convicted murderer who killed six family members and inspired the ever-growing “Amityville horror” franchise, died Friday. DeFeo was reportedly a known LSD and heroin user. He killed his entire family: parents Ronald DeFeo Sr., a car salesman, and Louise; daughters ... The lone survivor of the family, Ronald “Butch” DeFeo, Jr., twenty-three, was suspected of being the shooter. The police investigation of the mass murder ... The real-life killer, Ronald DeFeo Jr., whose murders were the basis for the book and two films, has died at age 69. Ronald DeFeo Jr., who was convicted of killing his entire family inside their Ocean Avenue home in Amityville, NY in 1974, has died. Ronald DeFeo Jr gunned down his entire family in their three story colonial home in Amityville, New York in 1974. But who is the killer that ... Ronald DeFeo Jr. was the perpetrator of a notorious mass murder that took place on November 13, 1974, in Amityville, New York.