(Above) Police officers stand in the area on the State Street Bridge where a 29-year-old man was shot and seriously injured on Monday at about 5 p.m.

Scene of the shooting, looking north on State Street.

Police vehicles parked on North State Street next to Marina City.

Looking south down State Street from sidewalk in front of Smith & Wollensky.

Police in center frame appear to be inspecting a backpack. According to police, a backpack was left on the bridge by the shooting suspect.

Microphones from local TV stations await a news conference in the middle of North State Street.

Police tape and a Chicago Police vehicle block the southbound lanes of State Street.

Gary Yanashiroya, commander of the detective division for Area 3, speaks with reporters in front of Marina City. (Photos by Steven Dahlman.)