. >> dru down's real name is danyle robinson.arrested for driving under the influence, violations of probation for a prior dui. he must serve the remainder of his sentence, three years, in the santa rita jail. >> hello. >> hello. >> hello. >> i've never really met too many people that don't know me. hello. me, i'm distinctive, to me. i have this certain look and aura about myself. like i'm the kind of guy who stay on ocean ways for the bays and might have shorty curls for the girls. i stay -- i'm always dressed to impress. you know what i'm talking about? >> there's been other celebrities and people of fame that have come in here. most of those people have been put into protective custody, not only for themselves but also the other people. in dru down's case, he wouldn't necessarily need to be put into some kind of protective custody because most of the people respect him and won't try to do something that would harm him. >> protective custody, or pc, is not just for celebrities. it's for inmates whose lives could be threatened i