Police investigate a homicide at a residence in the 0-100 block of Beck Road in Lindenhurst Tuesday evening. | Photo: Willie Gillespie (@wgweather)

An Algonquin woman has been identified after investigators say she was found beaten to death inside her boyfriend’s home in Lindenhurst, just one day after he was killed in a crash.

Kelly Hedmark, 25, of Algonquin, was last seen leaving her Algonquin residence on Yosemite Parkway on Sunday.

Her family told police that she was believed to be going to her boyfriend’s residence in the 0-100 block of Beck Road in Lindenhurst, according to Lake County Major Crime Task Force Spokesman Christopher Covelli.

Hedmark’s family learned on Monday that her boyfriend had been involved in a head-on crash at Bates Road and Freeport Road near Rockton, which is in Winnebago County.

The 25-year-old boyfriend and the other driver in the crash were both killed but Hedmark was not in her boyfriend’s vehicle, Covelli said.

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The woman’s family reported Hedmark missing on Monday to the Algonquin Police Department.

Police investigate a homicide at a residence in the 0-100 block of Beck Road in Lindenhurst Tuesday evening. | Photo: Willie Gillespie (@wgweather)

Hedmark’s vehicle was found in the driveway of her boyfriend’s home on Beck Road and Algonquin police officers obtained a search warrant to search the residence.

Algonquin police officers and Lindenhurst police officers entered the residence around 4 p.m. Tuesday and found Hedmark deceased.

The woman sustained significant blunt force trauma, Covelli said.

On Wednesday, Covelli told Lake and McHenry County Scanner that it appears Hedmark was beaten with some type of blunt force object.

“At this point, the primary suspect is the boyfriend, who died in the crash. There is no indication others are involved,” Covelli said.

The Lake County Coroner’s Office, which released Hedmark’s identity on Wednesday, confirmed during a preliminary autopsy that blunt force trauma to the head was the cause of death.

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The Lake County Major Crime Task Force, Lindenhurst Police Department and Algonquin Police Department continue to investigate the case.

The incident is considered isolated and there is no threat to the community, Covelli said.