Cold Case Files (1999)

Silent Witness/Innocence Lost (1x21)

Air date: May 21, 1999

The murder of scientist Helena Greenwood, who was helping to develop DNA forensic technology when she died, is solved 12 years later with the help of DNA evidence. And a Los Angeles County prosecutor uses criminal profiling to nab the notorious South Bay Rapist, who abducted and raped six young girls.