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Buffalo Grove, Illinois, police believe a husband and father of two is responsible for killing four family members and then himself in their home last week.
Buffalo Grove Police Chief Brian Budds provided the update after all five family members were found with “violent and acute injuries” in what police described as a “home accident.”
In the latest update, police said crime scene evidence, information from detectives and the Lake County Corner investigation showed that Andrei Kisliak, 39, killed his family.
ILLINOIS POLICE RELEASE NAMES OF 5 FAMILY MEMBERS FOUND DEAD AT HOME, INCLUDING TWO SMALL CHILDREN
Five people were found dead in a home in the northern suburb of Buffalo Grove, Illinois on Wednesday.
(FOX 32 Chicago SkyFOX)
They say he killed his 4- and 6-year-old daughters, Amilia and Vivian Kisliak, as well as his wife, 36-year-old Vera Kisliak, and his mother, 67-year-old Lilia Kisliak.
According to police, a dead animal was also found in the house.
Vera Kisliak filed for protection in August and September and filed for divorce in July. Fox Chicago reported.
TWO CHILDREN AND 3 ADULTS FOUND DEAD IN SUBURBAN AFFILIATED HOME IN CHICAGO
An associate of Vera Kisliak called the police Wednesday, Budds said, leading to the discovery of all five family members.
Budds declined to comment on reports from neighbors that police had been at Kisliak’s home for the past month.

Five people were found dead in a home in an affluent Chicago suburb on Wednesday morning.
(FOX 32 Chicago SkyFOX)
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A local resident told the Chicago Sun Times she called police in August over concerns about how Andrei Kisliak was treating the children.
The investigation into the case is still ongoing, police said.
Louis Casiano of Fox News contributed to this report.