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Dawn Theresa DeFeo

Case from Amityville, NY dated Nov 13, 1974

Victim Details

Dawn Theresa DeFeo

Male

White / Caucasian

Amityville

NY

1974-11-13

18

Dawn

Theresa DeFeo

07/09/2026

Case Description

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In the quiet Long Island town of Amityville, New York, the crisp autumn air of November 13, 1974, was shattered by a crime that would forever be etched in the annals of American true crime history. On that fateful day, 18-year-old Dawn Theresa DeFeo, a young woman with her life ahead of her, was found brutally murdered in her family's stately Dutch Colonial home on Ocean Avenue. She, along with her parents, Louise and Ronald DeFeo Sr., and her younger siblings, Allison, 13, Marc, 12, and John, 9 ...
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Links to Additional Sources (9)

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  • Amityville Murders: Amityville Murders | A website detailing the 1974 DeFeo Murders, also known as the Amityville Murders that inspired The Amityville Horror.
  • Dawn Theresa DeFeo (1956-1974) - Find a Grave Memorial
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    I've been diving deep into the DeFeo case, and something that's always bothered me is the relationsh... ...Read More
    05/18/2024
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