206 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.

Patricia Leblanc

Death by Force
Case Description
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Patricia "Patti" Ann Leblanc, a 15-year-old Caucasian female, vanished under troubling circumstances in Seattle, Washington, on August 12, 1983. Her story is intertwined with one of the most notorious serial killer cases in American history. Just four days prior to her disappearance, Patricia had been arrested for prostitution and was subsequently placed in the care of the Department of Social and Health Services at a youth shelter. On that fateful August day, she was on an outing with the shelt ...Read More
Links to Additional Sources (10)
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  • Obituary information for Patricia LeBlanc - Tennant Funeral Home
  • Patricia Leblanc Family History & Historical Records - MyHeritage
    •     ...View 8 additional sources
    Victim Details

    Patricia Leblanc

    Female

    White / Caucasian

    Seattle

    WA

    1983-08-12

    15

    Patricia

    Leblanc

    11/09/2025

    Forum Posts (4)
    It's always so tough to think about how vulnerable young people like Patricia can slip through the c... ...Read More
    05/03/2025
    Anyone else find it strange that there are no solid leads on where Patricia might be, even after all... ...Read More
    11/07/2024
    I've been going through old case files about Patricia Ann "Patti" LeBlanc, and something just struck... ...Read More
    10/04/2024
    I've been reflecting on Patricia Ann “Patti” LeBlanc's case, and I can't help but feel deep sorr... ...Read More
    01/31/2023
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