Regulations on unmarked law enforcement vehicles vary by state. In Missouri, officers are allowed to pull people over in an ...

Illinois state trooper mourned after being struck, killed by car on I-55 JOLIET, Ill. (CBS) — An Illinois State Police trooper was hit and killed by a car in Will County near Channahon Monday night.

Two Illinois State Police squad cars were struck in a crash Tuesday morning on Interstate 55 in Cook County.

An Illinois State Police trooper is recovering after his squad car was hit while he was helping with a crash Saturday in northwest suburban Barrington, ISP officials said.

SPRINGFIELD, Ill. (WSIL) -- The Illinois State Police (ISP) are continuing efforts to tackle vehicle theft and hijacking in 2025, utilizing grant funding to target these crimes.

Two members of the Illinois State University Police Department rode 390 miles to honor fallen officers, starting in Champaign and ending in Chicago, in order to pay respects to those who lost ...

Illinois State Police are investigating this week after a suspect allegedly involved in a chase with suburban police was ...

An Illinois State Police trooper was injured after a motorist struck their marked squad car from behind on southbound I-94 early Saturday morning, department officials said.

Is it legal to modify your muffler in Illinois? Illinois state law requires vehicles to have an adequate muffler or exhaust system.

JOLIET, Ill. (CBS) — An Illinois State Police trooper was hit and killed by a car in Will County near Channahon Monday night. Police said Trooper Clay Carns, 35, spotted debris in the southbound ...