The shooting happened at about 2 a.m. outside the emergency room of Advocate Christ Medical Center, according to a press release from the village.
Brandon McGee, 28, of Rockford, was shot in the left eye. He was rushed into the ER with life-threatening injuries and died later n the day.
Witnesses identified the shooting suspect, and he was taken into custody.
Village officials said the shooting was relegated to a double murder in Chicago that had happened a short time earlier.