Some US made M4A1 rifles with grenade launchers, part of an arsenal seized to the leader of the drug cartel "Cartel de Jalisco Nueva Generacion", Erick Valencia Salazar, are presented to the press on March 12, 2012 in Mexico City. Salazar, aka "El 85", was arrested during a military operation in Guadalajara last March 9 with an arsenal or war weapons. AFP PHOTO/ Yuri CORTEZ (Photo credit should read YURI CORTEZ/AFP via Getty Images)
Getty Images

AFP YURI CORTEZ

Mexican marines escort five alleged drug traffickers of the Zetas drug cartel in front of hand grenades, firearms, cocaine and military uniforms seized to alleged members of the Zetas drug traffickers cartel and presented to press on June 9, 2011 at the Navy Secretaryship in Mexico City. Fiven men were arrested and more than two hundred rifles, eleven pistols, military uniforms, differents caliber ammunitions and more than 200 kg of cocaine were seized in the Coahuila and Nuevo Leon States by the Navy. AFP PHOTO/ Yuri CORTEZ (Photo credit should read YURI CORTEZ/AFP via Getty Images)
Getty Images

AFP YURI CORTEZ

A gold-plated AK-47 rifle seized to alleged leader of "The Resistance" drugs cartel, Ramiro Pozos Gonzalez, aka "El Molca", is presented to the press in Mexico City, on September 12, 2012. Pozos Gonzalez was arrested on the eve in the state of Mexico. AFP PHOTO/RONALDO SCHEMIDT (Photo credit should read Ronaldo Schemidt/AFP/GettyImages)
Getty Images

AFP RONALDO SCHEMIDT