źródło:
https://edition.cnn.com/2013/11/26/world/americas/mexico-teen-hit-man-freed/index.html
https://www.diepresse.com/681442/drei-jahre-haft-fuer-kiddy-killer
https://www.dailymail.co.uk/news/article-2017344/Edgar-El-Ponchis-Jimenez-14-decapitated-7-victims-stands-trial-Mexico.html
https://www.nbcnews.com/id/wbna40490661