Nov 15, 2012 9:00 am18 views
Many make their living by crawling through the sewers beneath the border cities of Nogales, Mexico, and Nogales, Ariz., and mugging migrants seeking new lives in the United States. Some of these young men and women, who call themselves Barrio Libre ("Free Hood"), traffic in drugs in the desolate deserts where more than 5,000 people trying to enter the U.S. have died.