SHEFFIELD — Overwhelming evidence indicates that 41-year-old Luke Karpinski murdered his wife and three children and deliberately set fire to his home before killing himself last week.
Investigators located signs of accelerant in the 1343 Home Road residence, including two 20-pound propane tanks on the top floors, said Berkshire County District Attorney Andrea Harrington, on Monday. Officials believe Karpinski set fire to the home around 7:50 a.m. on Wednesday, March 13.
After performing an initial search of the house, firefighters recovered the body of 41-year-old Justine Wilbur on the first floor of the home with what Harrington described as a “traumatic injury,” that appears to have occurred prior to the start of the fire.
The bodies of Karpinski, and the couple’s three children, 3-year-old son, Marek, and 7-year-old twins, Alex and Zoe, were discovered later on the second floor of the home.
Police did not recover any firearms from the home and there is no reason to believe that the public is endangered at this time, said Harrington.
Wilbur was a senior associate for Albany-based law firm Hoffman Warnick. She worked there as a patent attorney since 2017 and encompassed topics ranging from cancer treatment and nanotechnology to advanced materials, according to the firm.
“Justine was smart, knowledgeable, dedicated and hardworking. She was a devoted mother to her wonderful children, and a true friend to everyone in our firm.
We are each devastated by loss and extraordinary sadness, but are comforted and grateful for having shared Justine’s infectious spirit and energy,” the firm wrote in a statement. “We pray for her family and those who loved her.”
As of Tuesday, autopsy results were not available from the office of the chief medical examiner in Boston.
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