derek shotgun brown once controlled these streets as the feared chief of the street gang. this is lawndale, on the west side of chicago, ground zero for the violence plaguing the city. >> wars are going on, and we're in the middle of a battlefield right now. >> they're throwing up their gang signs, where they're from. they're young, and they're trying to earn a spot in this negative world. once again, what's the product? what do you sell? >> dope. x, you see it, we're going to sell ital. >> what's this here. >> crack. >> $10 a bag. >> $10 a bag. >> yeah. >> we sat down with young members of the gangster disciples. they had sizeable stashes of guns and illegal drugs, and all hid their identities. >> how old are you? >> 17. >> how many of your friends have been killed. >> seven. >> over 15. >> young ones. >> how young? >> 14, 13, 15. >> shot? >> uh-huh. >> so how do you view the corn boys. >> the guys the street. >> they're my enemy, i hate them they hate me, that's the way it should be. and today you're sitting with good. >> jack riley is the dea special agent in charge of