Three were blood relatives: Danielle Cuvillier, her oldest son Mack Williams, and other son Nick Cuvillier. The fourth person was Mack’s wife, Harmony Danner.
KING COUNTY, Wash. — A 911 recording shared exclusively with KING 5 reveals intense family conflict between an elderly mother and her adult son 11 months before a violent tragedy that left four family members dead inside homes in both Mercer Island and Issaquah. Court documents show the dispute centered on the care of a disabled family member, and police are investigating whether those tensions played a role in the double murder and murder-suicide.
KING 5 has confirmed the identities of all
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