Members of the “Mara 18” gang remain in their cell during a religious service at the prison of Quezaltepeque, 25 km west of San Salvador, El Salvador on June 16, 2012. A day of prayer was celebrated to help with the rehabilitation of gang members during the truce declared between the gangs and the Salvadorean government. AFP PHOTO/ Jose CABEZAS (Photo credit should read Jose CABEZAS/AFP/GettyImages)