At least four people were killed and nine others were hurt in weekend shootings across Chicago as of midday Sunday. The ages of the victims ranged from 1 to 63.

Bowen Zhang, 29, allegedly fired at another motorist in the northbound lanes on I-55 near California Avenue on Wednesday. No one was hurt.

CHICAGO – A Border Patrol agent cracking down on immigration in Chicago appeared to brag about shooting a woman he said assaulted him, according to text messages obtained by USA TODAY.

A border patrol agent who shot a woman in Chicago bragged about his shooting skills in newly released texts revealed during a November 5 court hearing.

A Customs and Border Patrol agent appeared to brag to fellow agents about his marksmanship when he shot a woman five times after their cars collidedin Chicago last month, text massages shown in court revealed.

Shots were fired in a downtown Chicago office building on Thursday morning. The shooting occurred around 9:50 am on the 17th floor of a technology company's high-rise building on the 200 block of S. LaSalle Street. Chicago police told The Huffington Post that both the offender and the victim were found unresponsive with gunshots wounds to the head.

CHICAGO (WLS) -- Chicago police said a man was shot near gas station in Humboldt Park on Sunday. The shooting happened at about 3:29 a.m. in the 4000 Block of W. Chicago Avenue near the 76 Gas Station, police said. CPD said a man, 29, was in a moving vehicle when he was shot multiple times.

Bowen Zhang, 29, was charged in the alleged road rage shooting on northbound I-55 on Wednesday, Illinois State Police said.

O’Banion’s slaying sparked a gangland war, and gave him both pop-culture and literary fame. The protagonist of the 1931 movie “The Public Enemy,” starring James Cagney, was based on O’Banion. A fictionalized O’Banion similarly appeared in HBO’s series “Boardwalk Empire.”