AdvertisementEl Salvador Fears Ties Between Cartels, Street Gangs07:46Download AudioResumeJune 01, 2011Jason BeaubienfacebookEmailBarrio La Victoria Ciudad Delgado in San Salvador, El Salvador, is controlled by the Mara Salvatrucha gang. A gang leader says he sees the group as a social organization — one that provides services, like water, and protects "civilians." (NPR)