CHICAGO — A state police investigation of an expressway shooting culminated in a high-speed chase and the seizure of two machine guns, officials say. But, so far, the man they’re accusing of possessing those guns and driving the highway shooter’s car is not charged with firing any shots. The shooting occurred around 11:10 p.m. on Friday, January 31, on the inbound Dan Ryan Expressway near 47th Street, according to an Illinois State Police statement. No injuries were reported, but investigators identified the suspect’s vehicle and entered its information into a law enforcement database. The next day, a license plate reader...