Support WBURTherapy Helps Troubled Teens Rethink CrimePlay04:59Download AudioShankar VedantamJuly 02, 2013 ShareStudent Kahlil Quato fights tears as he speaks at a University of Chicago candlelight vigil in 2007. The service was held in remembrance of Amadou Cisse, a graduate student, who was shot to death at point-blank range. (AP)
