Memphis police have identified the white officer who fatally shot a black teenager during a struggle after he was placed in the back of a squad car at a traffic stop.The officer is 26-year-old Connor Schilling, who has been with Memphis police since 2012. Schilling has been relieved of duty - a routine procedure - pending an investigation by the Tennessee Bureau of Investigation into the death of Darrius Stewart, 19, at a hospital after he was shot Friday night. The state police agency has...