a lot of sexual trafficking going on in las vegas. >> reporter: dennis has been called america's pimp master general but considers himself a businessman. >> hey, i love it. >> reporter: what he does is legal. >> a penthouse. >> reporter: he's the own eer of the most famous brothel in america. the moonlight bunny ranch. >> just sex, sex, sex. >> reporter: it's the setting for hbo's long-running reality series "cat house." >> people love the sex business and i love being a part of it. >> reporter: what he doesn't love are pimps. you think pimps just suck? >> the worst leeches in the world. it's in birmingham, charleston. it's everywhere. it's everywhere in america, there are pimps trying to grab the life of young girls and take them away from their families. >> reporter: and what types of money are pimps pulling in? >> oh, tens of thousands of dollar as week. >> reporter: a week? >> oh, yeah. absolutely. >> reporter: what is it with