1. Aburto, J., H. Beltrán-Sánchez, V. García-Guerrero, and V. Canudas-Romo. 2016. Homicides in Mexico reversed life expectancy gains for men and slowed them for women, 2000-10. Health Affairs 35 (1): 88–95.
2. Aguirre Botello, M. July de 2018. Mexico, tasa de homicidios por 100 mil habitantes desde 1931 hasta 2017 (homicide rates per 100,000 inhabitants from 1931 to 2017). MexicoMaxico:
http://www.mexicomaxico.org/Voto/Homicidios100M.htm
3. Ambrogi, A. 2015, February. Impunidad, la génesis de nuestros problemas. Nexos Magazine.
4. Asman, P. 15 de May de 2018. US easing of gun export controls could send new wave of arms to LatAm. InsightCrime:
https://www.insightcrime.org/news/analysis/easing-us-firearm-export-controls-exacerbate-violence-mexico/
5. ATF. 2015. Manufacturing of guns (annual reports from 1999-2011). Washington, DC: Bureau of Alcohol, Tobbacco, Firearms and Explosives, ATF.