. >> reporter: and now they're exporting death directly into amair ameri amare cu.hey're active in 46 states. >> kill, rape, control. >> reporter: here in the el salvador en capital, they've carved up the city into warring factions. this is our translator, raphael, who like the cops doesn't want gang members seeing his face and targeting his family. every night this team from the local morgue heads out to collect the bodies. it's only 9:00 and the body count is already at seven. seemingly everybody is at risk here. we find a 23-year-old named carlos shot inside his own home after ordering a pizza. this is his mother. >> he was her baby. >> reporter: she insists her son wasn't even in a gang. >> every night, 24-7. ♪ >> reporter: so, we're heading into a neighborhood controlled by barrio 18. we're going to talk to the gang leader. we had to get advanced permission to enter, because if you don't, you're in serious danger. >> reporter: we're here to meet the local gang leader who goes by pablo which is spanish for nail. does that mean you have to resort to violence? >>