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

Nilsa Arizmendi

Death by Force
Case Description
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On July 25, 2003, Nilsa Arizmendi, a 33-year-old Hispanic female, was last seen alive in Wethersfield, Connecticut, getting into a distinctive blue van. Her disappearance would unravel a grim tale that extended far beyond a single missing person case, ultimately exposing a serial killer. Six days after she was last seen, her sister, concerned because Nilsa would never have abandoned her four children, filed a missing person report with the Wethersfield Police Department. The investigation initia ...Read More
Links to Additional Sources (7)
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  • William Devin Howell Pleads Guilty to Serial Murders - CT.gov
  • New Britain Police Identify 2 More Victims of Serial Killer
    •     ...View 5 additional sources
    Victim Details

    Nilsa Arizmendi

    Female

    Hispanic / Latino

    New Britain

    CT

    2003-07-25

    33

    Nilsa

    Arizmendi

    11/05/2025

    Forum Posts (1)
    I can’t stop thinking about the tireless work of the Greater New Britain Serial Murder Task Force ... ...Read More
    02/10/2023
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