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8 found dead in Michigan home after fire, some with gunshot wounds

Autopsies showed all eight family members died of gunshot wounds as investigators said the fire was set after the killings.

  • On Friday, firefighters discovered eight people dead inside a Grand Haven Township home on Riverside Trail after responding to reports of smoke, including two adults and six children aged 5 to 15.
  • Ottawa County Sheriff's Captain Jacob Sparks confirmed investigators are treating the incident as a potential murder-suicide after discovering some victims sustained gunshot wounds, though officials are not seeking any outside suspects.
  • Relatives identified the deceased adults as 39-year-old Mandy Karolkiewicz, a substitute teacher at Grand Haven Area Public Schools, and her husband, 47-year-old Kristopher Karolkiewicz, whom the district previously recognized for going "above and beyond."
  • Superintendent Kristin Perkowski called the incident "a devastating loss for our community," pledging grief support services, while Mandy's sister Molly Cessna wrote that their family was "utterly shattered" on social media.
  • Neighbors along Riverside Trail expressed shock, with resident Mark Brininstool describing the scene as unlike anything he had seen in almost 24 years, as investigators continue awaiting autopsy results to confirm causes of death.
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ussanews.com broke the news on Friday, July 24, 2026.
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