William Brennan

Missing

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Case Description
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Brennan was last seen near Canyon Creek in Glenwood Springs, Colorado on May 15, 1990. He may have been suicidal at the time of his disappearance. He may have been sighted hitchhiking to Las Vegas, Nevada in July 1990, but he remains missing and has never been heard from again.

Brennan is Vietnam veteran, and he may have been carrying a handgun at the time of his disappearance. His case remains unsolved.
Last Seen: May 15, 1990
Links to Additional Sources (4)
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  • Missing Person / NamUs

    •     ...View 3 additional sources
    Victim Details

    Aug 11, 2014

    Jan 12, 2024

    William

    Brennan

    74

    39

    71 inches

    220 lbs

    White / Caucasian

    Male

    May 15, 1990

    Glenwood Springs

    Colorado

    Garfield County

    23417

    Glenwood Springs Police Department

    Glenwood Springs

    Colorado

    Garfield County

    81601

    101 West 8th Street, Colorado

    9703846500

    Local

    Law Enforcement

    3919-90/2013-9034

    Glenwood Springs Police Department

    Brown

    Blue

    Blue


    Area Last Seen:
    Forum Posts (1)
    I am currently in the process of writing a story on the murder of William Brennan and I am looking f... ...Read More
    06/17/2023