WASHINGTON (Reuters) - The U.S. Justice Department and officials from three Latin American countries announced criminal charges against more than 3,800 members of the MS-13 and 18th Street gangs on Friday, including 70 people in six U.S. states.  MS-13 coordinates across our borders to kill, rape and traffic drugs and underage girls; we ve got to coordinate across our borders to stop them,  U.S. Attorney General Jeff Sessions said in a statement, joined by his counterparts from Honduras, Guatemala and El Salvador. 