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Dominick Nick Cuvillier Williams

Case from Mercer Island, WA dated Dec 30, 2025

Victim Details

Dominick Nick Cuvillier Williams

Male

White / Caucasian

Mercer Island

WA

2025-12-30

34

Dominick

Nick Cuvillier Williams

06/30/2026

Case Description

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On December 30, 2025, 34-year-old Dominick "Nick" Cuvillier Williams was found dead from gunshot wounds in a home in Issaquah, Washington. His death was part of a tragic series of events that spanned two cities and claimed the lives of three other family members in a murder-suicide. Dominick, who had a rare genetic disorder called Angelman syndrome and was mostly non-verbal, was a beloved figure in his Mercer Island community.

The investigation into the deaths began on the morning of Dece ...
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Links to Additional Sources (10)

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  • king5.com: 'Kind and gentle': Candlelight vigil honors Issaquah woman killed in family murder-suicide
  • The Seattle Times: ‘I hurt for all of them’: Neighbors react to suspected Eastside homicide-suicide
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    Forum Posts (1)

    I was devastated to hear about the Williams family tragedy—it's just unimaginable to think about h... ...Read More
    02/04/2026
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