article_snippet.sent: An imprisoned member of street gang Mara 18 poses for a photograph at the Izalco prison, about 40 miles from San Salvador on May 20, 2013 .
article_snippet.sent: A jailed gang member poses for a photograph at the maximum security jail of Izalco in Sonsonate in 2013 .
article_snippet.sent: Members of the MS 13 Mara Salvatrucha street gang flash Members of the MS 13
article_snippet.sent: Mara Salvatrucha street gang gang's hand sign from inside a jail cell at a police station in San Salvador in 2012 .
article_snippet.sent: An imprisoned member of  
article_snippet.sent: Mara 18 poses for a photograph at the Izalco prison on May 20, 2013 .
article_snippet.sent: A member of Mara Salvatrucha poses for a picture at the National Penitentiary in Tamara, Honduras, in 2006 .
article_snippet.sent: A former leader of the MS 13 Mara Salvatrucha street gang poses during a photo session at Comayagua jail in Honduras in 2008 .