Mohammed Bijeh aka The Desert Vampire was an Iranian serial killer and pedophile who raped boys from March to September 2004.
Patrick Kearney aka The Freeway Killer was known to be a serial killer suffering from necrophilia targeting young men in California.
Paul John Knowles aka The Casanova Killer was active for only four months in 1974 but killed, raped, and robbed people in several states.
Apart from eating his victims, Zhang Yongming also dried and cured the leftover human flesh and sold it in the market as ostrich meat.
Ludivine Chambet was a nursing assistant who administered cocktails of neuroleptics and antidepressants to her elderly patients.