Firearms Trafficking to Mexico: Better Data and Performance Monitoring Would Help Agencies Direct Resources to Counter Cartels

What GAO Found Transnational criminal organizations (TCO) in Mexico seek to acquire semi-automatic firearms—AR-15s, AK-47s, and .50-caliber rifles—which they often convert to fully automatic firearms, according to agency officials. Armed with these weapons, TCOs pose a serious threat to Mexican law enforcement and military. TCOs acquire firearms from the U.S.