South of the border, war is raging with guns mostly supplied by merchants in the United States.

The Government of Mexico has estimated that almost 50,000 people have been killed since 2006, a toll that has made its top officials irate about the persistent flow of weapons south. Some law enforcement officials in the U.S. government share the Mexican’s concern, but their attempts to stanch the flow by obtaining better intelligence about it have badly singed their fingers.

The notorious ‘Fast and Furious