Police say another car hit Kohlmeier's squad car, which was stopped in the I-55 median turnaround just north of Route 23. The driver of the other car is hospitalized, but a condition is not known.
Flags at the Pontiac Police Department were lowered to half-mast. Kohlmeier is a six-year veteran of the Pontiac Police Department, and an Air Force veteran. He was with the department's K-9 team.
