Hannah Graham: Stalked by Evil (Part 2)

Part two of the investigation into the 2014 disappearance of college student, Hannah Graham. Surveillance footage showed Hannah with Jesse Matthew Jr., who became the prime suspect. Through DNA evidence, police linked multiple cases across Virginia, revealing a disturbing pattern and bringing together families united by tragedy as they searched for answers and justice. "48 Hours" correspondent Susan Spencer reports. This classic "48 Hours" episode last aired on 6/11/2016. Watch all-new episodes of “48 Hours” on Saturdays and stream on demand on Paramount+.