The shooting occurred around 3:48 a.m. near the intersection of State and Dearborn streets, an iconic nightlife district that has been drawing revelers for decades. More than 30 Chicago cops, mostly probationary officers, were already deployed nearby when gunmen opened fire from a moving vehicle. According to preliminary reports, officers first spotted a gray Acura CL and a black SUV, believed to be a Jeep Grand Cherokee, racing south on State Street from Division around 3:31 a.m. The same vehicles were seen circling the neighborhood multiple times before the shooting occurred about 15 minutes later. CPD said the gunfire came...