In Greensboro, North Carolina, an argument over a song playing on the jukebox at a Mexican restaurant ends with two brothers dead--shot dead at point blank range. The culprit is a member of the notorious transnational gang MS-13. How did a gang that started in Los Angeles, California in the mid-1980s end up responsible for the murder of two innocent men in Greensboro, North Carolina? The search for answers leads deep inside the U.S. Immigration and Customs Enforcement Agency (ICE). Could the American government's war on transnational gangs, ironically, be making them stronger and more deadly?