AdvertisementIn Freedom, Ex-Felon Becomes Probation CounselorDecember 11, 2012Julie BierachfacebookEmailClark Porter was 17 when he was sentenced to 35 years in prison for robbing a downtown post office at gunpoint. He spent 15 years in prison and today helps some of the toughest ex-offenders turn their lives around. (Courtesy of Washington Universtiy in St. Louis)