Pedro López (serial killer)

Pedro Alonso López (born 8 October 1948) is a Colombian serial killer and child rapist. He murdered about 110 young girls from 1969 to 1980 and claimed to have murdered over 300 victims across Colombia, Peru and Ecuador. He was released from a Colombian asylum in 1998.
López became known as the Monster of the Andes in 1980, when he led police to 53 graves in Ecuador. The victims were all girls between 9 and 12 years of age. In 1983, he was found guilty of the murder of 110 girls in Ecuador. He further confessed to another 240 murders in Peru and Colombia.