Trooper James Sauter was killed when a semi-trailer truck struck his cruiser on Interstate 294 south of Willow Road shortly after 11:00 p.m.
The trooper was stopped in the left shoulder of the south-bound lanes when the semi rear-ended his cruiser, causing both vehicles to burst into flames. He was pronounced dead at the scene.
Trooper Sauter was a 5-year veteran of the Illinois State Police and is survived by his wife and family.