A 1976 nursing student's murder was solved by fingerprint technology 38 years later, but authorities kept the killer's name secret—until now. We reveal the identity of Melanie Howell's murderer and uncover evidence he may be a serial killer responsible for at least one other death. Paul Boostamante murdered 22-year-old Melanie Howell in 1976 with 47 stab wounds; his bloody fingerprint wasn't matched until 2014 when new database technology made the connection.