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Case Description
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John Matthew DeFeo, born on October 24, 1965, was the youngest child of Ronald Sr. and Louise DeFeo. Tragically, he was murdered at the age of nine on November 13, 1974, in Amityville, New York. John Matthew, along with his parents and four siblings, was killed by his older brother, Ronald DeFeo Jr., in what became one of the most infamous family murders in American history. The DeFeo family had moved to the affluent Long Island South Shore community of Amityville from Brooklyn, seeking a better ...Read More
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John Matthew DeFeo
Male
White / Caucasian
Amityville
NY
1974-11-13
9
John
Matthew DeFeo
12/04/2025





