According to Hamilton County Sheriff Greg Brenner six people were in a vehicle on Anderson School Blacktop Road, just southwest of McLeansboro around 10:24 p.m. Saturday.
Killed in the crash were Robert L. Parker, 49, of Collinsville; Lori S. Parker, 42, of Collinsville; Tammy A. Delong, 35, of Collinsville; and, Diana N. Wright, 23, of McLeansboro. They all died at the scene.
The driver, Darrell Delong, 49, of Collinsville and a 16-year-old passenger from Collinsville were life flighted to a hospital in Evansville.
A preliminary investigation shows Delong lost control of the Chevrolet Trailblazer before it left the road and overturned a number of times. Five occupants were thrown from the vehicle. Robert Parker, the only person wearing a seatbelt, was trapped inside.
Illinois State Police, Hamilton County Sheriff's Department, and McLeansboro Police are investigating.
Assisting at the scene were Harre's Ambulance Service, McLeansboro Fire Department, the Hamilton County Coroner's Office, Hamilton County EMA and J&R Towing.
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