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Diane Opper

Case from Belchertown, MA dated Mar 26, 2026

Victim Details

Diane Opper

Female

White / Caucasian

Belchertown

MA

2026-03-26

56

Diane

Opper

07/16/2026

Case Description

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In a quiet 55-plus community in Belchertown, Massachusetts, the life of 56-year-old Diane Opper was tragically cut short on the evening of Friday, March 27, 2026. What unfolded inside her home on Daniel Shays Highway would soon become the subject of a homicide investigation, leaving a community in shock and a family in mourning. That evening, a 911 call was made by Diane’s husband, Mark Opper, also 56, who initially claimed his gun had accidentally discharged, resulting in his wife being shot. ...
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Links to Additional Sources (10)

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  • Altogether: Diane Opper's Memorial
  • Boston.com: Mass. man charged with murdering wife, allegedly told 911 operator 'my gun went off'
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    Forum Posts (1)

    Hey everyone,
    I'm really disturbed by what I'm reading about Diane Opper's case. I can't stop thi... ...Read More
    04/03/2026
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    Other Cases from Belchertown, Massachusetts

    Diane Opper death by force case in Belchertown, MA

    Diane Opper

    Death: Mar 26, 2026
    In the quiet town of Belchertown, Massachusetts, the life of 56-year-old Diane Opper was cut tragica c ...Read More