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Mason Lee Sweeney

Death by Force
Case Description
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In the quiet community of Northfield, New Hampshire, a heartbreaking tragedy unfolded on August 3, 2022, forever altering the lives of the Sweeney family. On that summer morning, authorities responded to a 911 call that led them to a home on Wethersfield Drive. Inside, they made a devastating discovery: 25-year-old Kassandra Sweeney, her four-year-old son Benjamin, and her one-year-old son, a White male named Mason Lee Sweeney, were all found deceased. The news sent shockwaves through the small ...Read More
Links to Additional Sources (6)
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  • WMUR: Woman, 2 sons found shot, killed in Northfield home, attorney general says
  • Northfield, NH Murders: What We Know About the Investigation
    •     ...View 4 additional sources
    Victim Details

    Mason Lee Sweeney

    Male

    White / Caucasian

    Tilton

    NH

    2022-08-03

    1

    Mason

    Lee Sweeney

    litigation

    11/05/2025

    Forum Posts (2)
    Hi everyone,
    I've been following the Sweeney case since it broke, and I keep thinking about the i... ...Read More
    05/03/2024
    Hey everyone,
    I've been thinking a lot about the role of family dynamics in the Sweeney murder ca... ...Read More
    04/03/2023
    Other Cases from Tilton, New-hampshire

    Benjamin Sweeney

    Death: Aug 03, 2022
    Benjamin Sweeney, a 4-year-old White male, was found dead alongside his mother, 25-year-old Kassandr d ...Read More