
FILE - In this March 26, 2012 file photo a gang member of MS-13 attends mass at a prison in Ciudad Barrios, El Salvador. MS-13, or the Mara Salvatrucha, is believed by federal prosecutors to have thousands of members across the U.S., primarily immigrants from Central America. It has a stronghold in Los Angeles, where it emerged in the 1980s as a neighborhood street gang. (AP Photo/Luis Romero, File)
A new task force named “Operation Matador” was created in May following a Long Island visit by AG Jeff Sessions.