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Denise Seamen

Death by Force
Case Description
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Denise Marie Seamen, a 17-year-old girl from Tinicum, Pennsylvania, tragically disappeared on the evening of May 10, 1975. She was last seen leaving her home to meet her boyfriend, James Koenig, at the MacDade Mall in Glenolden, Pennsylvania. However, she never arrived at the mall, and her boyfriend reported her missing to the police.

On October 17, 1975, Denise's skeletal remains were discovered in a marshy area in Tinicum Township, Pennsylvania. She had been shot in the head, and her d ...Read More
Links to Additional Sources (2)
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  • Article clipped from Delaware County Daily Times - Newspapers.com
  • Denise Marie Seamen (1957-1975) - Find a Grave Memorial
    • Victim Details

    Denise Seamen

    Female

    Tinicum

    PA

    1975-10-17

    17

    Denise

    Seamen

    11/21/2025

    Forum Posts (1)
    Hey everyone,
    I’ve been thinking about the fact that Denise Seamen was one of several young w... ...Read More
    04/10/2024
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