Sources

https://en.wikipedia.org/wiki/Pedro_L%C3%B3pez_(serial_killer)

https://murderpedia.org/male.L/l/lopez-pedro.htm

https://forensicyard.com/the-mysterious-case-study-of-pedro-lopez/

https://www.rollingstone.com/culture/culture-lists/south-americas

https://historydaily.org/the-monster-of-the-andes-no-one-knows

https://www.biography.com/crime-figure/pedro-alonso-lopez

https://criminalminds.fandom.com/wiki/Pedro_L%C3%B3pez

https://criminalia.es/asesino/pedro-alonso-lopez/

https://www.thesun.co.uk/news/16844249/pedro-lopez-whereabouts/