As immigrants go north, deadly guns from the U.S. go south

Among the thousands of immigrants who have been coming across the U.S.-Mexico border in recent months, many are seeking to escape gang and drug violence raging in their homelands. The weapon of choice used to intimidate them? Often an American-made gun.

While the flow of drugs and immigrants into the U.S. has been well-documented for decades and become a regular part of the political debate, what is often overlooked is how gangs and drug cartels exploit weaknesses at the border to smuggle guns from the U.S. into Latin America.

A 2013 report by the . . .