By Krista Oehlke Violence stemming from the drug trade has been surmounting in Mexico for decades, taking an increased toll on civilian communities. In October 2016, Sergio Aguayo, FXB fellow and research professor at the Centro de Estudios Internacionale of the El Colegio de México, released a new report investigating two mass killings in Mexico by the criminal organization known as Los Zetas. In 2010, the drug gang allegedly massacred…