Investigators in Pennsylvania identified a suspect in an unsolved slaying through DNA obtained from a discarded cigarette butt and a bitten-off piece of a styrofoam cup, authorities said Monday. Vallis Slaughter, 39, was arrested last week in connection with the fatal 2012 shooting of Julio Torres, 34, in a diner parking lot in West Reading,… Continue reading DNA from cigarette butt, styrofoam cup lead to arrest in unsolved Pennsylvania slaying