ROCKFORD, Ill. (WTVO) — The Winnebago County Sheriff’s Detective Bureau is investigating after a man was found dead in a parked car.

Deputies responded to the area of Central Avenue and Riverside Boulevard around 9:45 a.m., according to the sheriff’s office.

A street sweeper had reported finding a vehicle parked along the curb, blocking a lane of traffic.

The 35-year-old male driver, later identified as Gerald Osborn, was found unresponsive. He was pronounced dead on the scene by the Winnebago County Coroner’s Office.

An autopsy was performed, and the cause of death is pending, the coroner said.