In 1966, 18-year-old Cheri Jo Bates was attacked after she left Riverside City College Library, California. Her killer had disabled her car and lay in wait for her to return from the library to her car, where he attacked. She was beaten and stabbed with such force she was almost decapitated. One of the main suspects in the murder in the infamous Zodiac Killer.
20-year-old Karina Holmer arrived in Boston from Sweden to work as an au pair. Just a month after she arrived, the top half Karina's dismembered body was discovered in a plastic bag in a trashcan. The bottom half of Karina's body was never discovered and despite an exhaustive search, her killer was never identified.