30 miles outside of New York City, in the Long Island town of Amityville, stands the three-story colonial home, forever linked to the Amityville Horror phenomenon. On November 13, 1974, this home was the scene of mass murder. Using a .35 Marlin rifle, 23-year-old Ronald J. DeFeo Jr. murdered his entire family while they were asleep, which included his parents and four siblings. Today we are going to talk about the 3 families involved, The Defeo's. Lutz's and The Warren's. Sources:The Real 'Amityville Horror': Chilling Facts About the Crime and Haunted House (biography.com)Inside the 'Amityville Horror' house today, Long Island's most notorious mansion (nypost.com)THE DEFEO FAMILY-the beginning of the horror of the Amityville MurdersRonald DeFeo - Murders, Movie & Family (biography.com)The True Crime Story Behind The Lutz Family And 'The Amityville Horror' | Crime News (oxygen.com)Ed and Lorraine Warren Go Inside the Amityville Horror House in 'Shock Doc' Preview - TheWrapWhere are George and Kathy Lutz now? Amityville Horror killer Ronald DeFoe dead (hitc.com)