Graduates of a training program pose for a portrait after a completion ceremony at the Center for Urban Families. Courtesy of the Center for Urban Families hide caption

itoggle caption Courtesy of the Center for Urban Families

Authorities say the drug operation allowed customers to pay at one location, pick up the heroin at another and be back on the expressway within minutes. Scott Olson/Getty Images hide caption

itoggle caption Scott Olson/Getty Images

Members of the 18th Street gang announce a truce during a press conference at a prison in San Pedro Sula on May 28. Leonel Cruz/AFP/Getty Images hide caption

itoggle caption Leonel Cruz/AFP/Getty Images