. >> reporter: we're heading into a neighborhood controlled by bario 18.e're going to talk to the gang leader in the neighborhood. we had to get advanced permission before we entered. if you don't get permission before you enter, you're in serious danger. we're here to meet the local gang leader who goes by the name of plavo which is spanish for nail. you control this area? does that mean you have to resort to violence? >> sometimes if we need to go hard, you go hard. >> reporter: if you walked into an ms area? >> they kill you. if we go that way, they would maybe kill us too. >> reporter: that's how fierce the loyalty is? you'll kill someone? >> yes. >> reporter: he moved to virginia where he joined a join and then got deported back to el salvador where his gang life continues. now he wants to speak back into america in part to escape gang life because he says he's tired of taking orders from the leaders, most of whom are in prison. even though they're locked up, they can make a phone call and have somebody killed? >> yep. >> reporter: who would they ask