Homies Unidos is an organization working with Salvadoran gang members in El Salvador and Los Angeles. Its director in El Salvador, Luis Ernesto Romero, has been recognized by the CNN television network as a "CNN Hero" and a "Community Crusader."
From the CNN web site:
There are more than 12,000 gang members in El Salvador, according to police estimates. Luis Ernesto Romero used to be one of them. Today, he is director of Homies Unidos El Salvador. Its mission: to help youths leave the gang life through education and job training.
You can view the CNN video about this Salvadoran hero at this link.
More information about Homies Unidos is available at its website (which is currently undergoing a makeover and has a number of broken links) and in this article.