Within a Hair Forensic Files : Season 7 Episode 16

A look back at the case of the River Park Rapist, who assaulted four women in South Bend, Ind., during 1996. Law enforcement officers arrested Richard Alexander, who was convicted in 1998 and sentenced to 70 years in prison. In 2001, Michael Murphy confessed to one of the two rapes of which Alexander had been convicted and new DNA testing exonerated Alexander.