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Case Description
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Marc Gregory DeFeo, aged 12, tragically lost his life on November 13, 1974, in Amityville, New York. Marc was one of six members of the DeFeo family who were brutally murdered in their home at 112 Ocean Avenue. The perpetrator of this heinous crime was Marc's older brother, Ronald DeFeo Jr., who systematically shot his parents and four siblings while they slept. Marc, who had recently suffered a football injury and required crutches and a wheelchair, was found shot to death in his bed alongside ...Read More
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Marc Gregory DeFeo
Male
White / Caucasian
Amityville
NY
1974-11-13
12
Marc
Gregory DeFeo
11/25/2025







