A Mara Salvatrucha gang member attends a mass celebrated by Archbishop Luigi Pezzuto, Apostolic Nuncio to El Salvador, and head army and police chaplain Monsignor Fabio Colindres at a prison in Ciudad... more 
A Mara Salvatrucha gang member attends a mass celebrated by Archbishop Luigi Pezzuto, Apostolic Nuncio to El Salvador, and head army and police chaplain Monsignor Fabio Colindres at a prison in Ciudad Barrios, El Salvador, Monday, March 26, 2012. According to Dionisio Aristides Umanzor, known as El Sirra, leader of the Mara Salvatrucha gang, leaders of the Mara Salvatrucha and the Mara 18, El Salvador's two largest street gangs, have reached a truce, reducing the country's homicide rate, one of the highest in the world. (AP Photo/Luis Romero) less 
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Associated Press | Photo By Luis Romero
Wed, Mar 28, 2012 10:18 PM EDT