Charles Sobhraj, known as the "Bikini Killer," used charm and deception to rob and murder foreign backpackers across Asia, becoming one of the world's most notorious serial killers.
Posing as a prospective groom, Cyanide Mohan allegedly lured vulnerable women with promises of marriage before poisoning them with cyanide, making him one of India's most notorious serial killers.
Known as “Doctor Death,” Devendra Kumar Sharma shocked India after a respected doctor was exposed as a serial killer linked to illegal kidney rackets and multiple murders