Gang members participate in an event where mediators, Military Bishop Fabio Colindres and Raul Mijango, addressed the inmates at the Cojutepeque prison, 35 kms east of San Salvador, on September 12, 2012. The truce process began six months ago between the two rival gangs - Mara 18 and Salvatrucha -  and the Salvadorean government. AFP PHOTO/ Juan CARLOS        (Photo credit should read Juan CARLOS/AFP/GettyImages)