36-year-old Maxim Parnov has been identified as a person of interest in a double homicide investigation in Algonquin, police announced. | Provided Photo

Detectives are attempting to locate a person of interest after a man and woman were found dead Wednesday in Algonquin, law enforcement said.

The Algonquin Police Department responded Tuesday afternoon to the 400 block of La Fox River Drive in Algonquin for a wellbeing check call.

Algonquin Deputy Police Chief Ryan Markham said someone called police to check on a male resident and female resident who had not been heard from.

Officers were unable to locate the residents at the residence and an investigation was launched.

The Algonquin Police Department and McHenry County Sheriff’s Office investigates a crime scene in the 400 block of La Fox River Drive in Algonquin Wednesday afternoon. | Photo: Nick Rusin

Two deceased subjects, who matched the description of the missing Algonquin residents, were located around 12 p.m. Wednesday, Markham said. He did not say where in Algonquin they were found.

The man and woman’s cause of death has not been determined but the circumstances surrounding their deaths suggest that foul play is suspected, Markham said.

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The McHenry County Coroner’s Office is working to positively identify the decedents and their cause of death.

Markham said the case is being investigated as a homicide and it is believed to be domestic violence-related. “There does not appear to be any threat to the members of the general public.”

The Algonquin Police Department and McHenry County Sheriff’s Office investigates a crime scene in the 400 block of La Fox River Drive in Algonquin Wednesday afternoon. | Photo: Nick Rusin

A person of interest, identified as Maxim Parnov, 36, has been identified in the case.

His whereabouts are unknown and he is believed to be driving a black 2006 Lexus Sedan with Illinois license plate CE37406.

The McHenry County Major Crimes Assistance Team is assisting the Algonquin Police Department with the investigation.

Anyone with information regarding the investigation or the whereabouts of Parnov is asked to contact the Algonquin Police Department at 847-658-4531.