Gun Trafficking to Mexico and the ATF by Shannon K. O’Neil: “In a recent report based on ATF data, Democrats highlight that roughly 70 percent of all illegal guns found in Mexico come from the U.S., and attribute this to the weak tools ATF holds. They argue that to address the problem, the U.S. needs to better enforce the ban on imports of military-style weapons and ratify the CIFTA treaty, which would establish a standard for the control of illicit manufacturing and trafficking of firearms.”