For decades, El Salvador was synonymous with gang violence. MS-13 and Barrio 18 controlled neighborhoods, extorted businesses, recruited children and enforced territorial boundaries that ordinary citizens crossed at their peril. In 2015, El Salvador recorded roughly 105 homicides per 100,000 residents, one of the highest murder rates in the world. Today, the country looks remarkably different. At the center of that transformation is President Nayib Bukele's aggressive campaig