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Mary Ann Wysocki

Death by Force
Case Description
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In the quiet winter of 1969, a 23-year-old white female college student named Mary Ann Wysocki embarked on what was meant to be a relaxing weekend getaway to Provincetown, Massachusetts, with her friend, Patricia Walsh, also 23. The two friends from Providence, Rhode Island, checked into a local guesthouse, where they crossed paths with a 24-year-old handyman named Antone "Tony" Costa, who was also staying there. After a night out, the two women were never seen alive again.

Their disappea ...Read More
Links to Additional Sources (6)
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  • Newspapers.com: 7 Mar 1969, 11 - The Boston Globe at Newspapers.com
  • Tony Costa - Wikipedia
    •     ...View 4 additional sources
    Victim Details

    Mary Ann Wysocki

    Female

    White / Caucasian

    Truro

    MA

    1969-02-28

    23

    Mary

    Ann Wysocki

    11/08/2025

    Forum Posts (3)
    Has anyone else been struck by the brazenness of Tony Costa's attempts to cover up his crimes? It's ... ...Read More
    03/25/2024
    Something that's been bothersome to me about the Mary Ann Wysocki case is the role that Costa played... ...Read More
    06/09/2023
    I recently read about the tragic story of Mary Ann Wysocki and Patricia Walsh, and it got me thinkin... ...Read More
    02/16/2023
    Other Cases from Truro, Massachusetts

    Patricia Helene Walsh

    Death: Feb 01, 1969
    In the quiet winter of 1969, a 23-year-old White female teacher named Patricia Helene Walsh and her r ...Read More