The Mara Salvatrucha gang, the transnational gang known more colloquially as MS-13, is involved in criminal activities in most parts of Latin America, as well as the United States. The gang originated in Los Angeles and spread from there, and now has a large presence in Fairfax and Prince George’s counties.
Sept. 7, 2006 A member of the Mara Salvatrucha gang, known more colloquially as MS-13, is presented to the press in San Salvador after his arrest. Some 130 gang members suspected of committing homicides were arrested during a police operation in different departments of the country. Yuri Cortez/AFP/Getty Images Buy Photo