"On June 12, 1982, Marty James Shook, a 22-year-old hitchhiker from Sparks, Nev., was killed execution-style in a canyon near Price, Utah. Shook was shot in the back of the head and his genitals were removed. His nude body was found by a fisherman. The crime is thought to be linked to a serial killer who was responsible for more than a dozen deaths that often left his victims mutilated and abandoned. The killer was never apprehended."
Here are some links on the case:
Serial Killers Remain Elusive Despite High-Tech Crimefighting
TENACIOUS INVESTIGATORS KEEP ON TRACK OF SERIAL KILLERS
Another of the related murders: Death of Wayne L. Rifendifer (1981) (related to Marty Shook murder) - Newspapers.com
Here are some links on the case:
Serial Killers Remain Elusive Despite High-Tech Crimefighting
TENACIOUS INVESTIGATORS KEEP ON TRACK OF SERIAL KILLERS
Another of the related murders: Death of Wayne L. Rifendifer (1981) (related to Marty Shook murder) - Newspapers.com