More Chicago gangs arming themselves with rifles

By Peter Nickeas Chicago Tribune CHICAGO — One late afternoon over Labor Day weekend in 2016, near the arches welcoming truck drivers into the old stockyards south of Bridgeport, a gunman in a red minivan leveled a rifle and fired at a motorcyclist. The gunman hit the bike but not the driver. An officer found .223-caliber casings, the kind used in rifles modeled after the AR-15. The rounds leave large, jagged wounds. If used by someone trained to shoot, they can hit a target from 650...