This Monday, June 25, 2018, file photo on the left shows Raymond Charles Rowe, of Lancaster, Pa. Rowe was charged and plead guilty this month to the 1992 rape and murder of 25-year-old Christy Mirack at her home. The crime had stymied investigators until genealogical research led them to Rowe, known professionally as DJ Freez. … Continue reading "Solving old cases with DNA technology"