DeFeo was serving a sentence of 25 years to life in the 1974 killings in Amityville, on suburban Long Island. We would like to show you a description here but the site wonât allow us. It was a crime that gripped the New York area. DeFeo and a small group of people went to 112 Ocean Avenue, which was located near the bar, and found that DeFeo's parents were dead inside the house. We would like to show you a description here but the site wonât allow us. Murders. The home became the basis of a horror-movie classic after another family briefly lived there about a year after the killings and claimed the house was haunted. Ronald DeFeo was convicted of killing his mother, father, two brothers and two sisters in 1974; The murders inspired the 1977 book âThe Amityville Horrorâ and a cult film by the same name DeFeo murders Police and members of the Suffolk County Coroner's Office investigate the murder of six people found shot in Amityville, N.Y., Nov. 14, 1974. Amityville II: The Possession, released in 1982, is a prequel that fictionalized the actual DeFeo murders. Ronald DeFeo Jr., the killer who inspired "The Amityville Horror" book and movie series, has died, according to a spokesperson for the New York State Department of ⦠Ronald DeFeo, convicted killer in âAmityville Horrorâ case, dies at 69 Ronald DeFeo Jr., center, leaves Suffolk County district court after a hearing, on New York's Long Island in this file photo. In December 1975, a month after DeFeo was convicted of the murders, the Lutz couple and their three young kids moved into the house, which they had reportedly snatched for $80,000. The monstrous tale began back in 1974, when he murdered both of his parents as well as his four siblings in their Amityville⦠For a deeper dive into the Amityville Horror murders committed by ⦠DeFeo died Friday while serving a 25 years-to-life sentence at Sullivan Correctional facility in Fallsburg, New York, officials told Newsday.The notorious killer was 69. The murders have gone on to inspire several books and movies like "The Amityville Horror," which tells the story of the Lutz family who moved into the home 13 months after the murders. Back in the early 1970s, a horrible murder took place in this house on Ocean Avenue in Amityville. Around 6:30 p.m. on November 13, 1974, 23-year-old DeFeo entered Henry's Bar in Amityville, Long Island, New York, and declared: "You got to help me!I think my mother and father are shot!" Ronald DeFeo, the convicted killer 'credited' with spawning the infamous 'Amityville Horror' poltergeist case, reportedly died in police custody late last week. FALLSBURG, N.Y. â âAmityville Horrorâ killer Ronald DeFeo Jr. â who killed his six family members in 1974 on Long Island â has died behind bars, according to officials. Six family members were wiped out in a gruesome mass murder that inspired one of the scariest movies ever made: The Amityville Horror. By Tim Binnall. One year after the murders, George and Kathy Lutz moved into the ⦠The Lutz family moved in afterward and claimed they were haunted by ⦠The Amityville murders Prosecutors said the 23-year-old DeFeo, the oldest son, used a .35-caliber rifle to shoot his mother, father, two sisters and two brothers while they were sleeping. The scene of six grisly murders went on to inspire the Amityville Horror books and movies. We would like to show you a description here but the site wonât allow us. Ronald DeFeo Jr., the killer who inspired âThe Amityville Horrorâ book and movie series, has died, according to a spokesperson for the New York State Department of â¦