>> inmate-produced alcohol can be made from ingredients as basic as fruit, bread and juice. >> dexter, come on. calvin holmes is considered an expert. >> mine comes off about 25%, 30% alcohol. most people get caught with wine, all they do is lose their job and get a little write-up. me, they take me straight to lockup. because my wine has got more people on lockup than the police have. they get drunk on mine and they want to fight. they tell me they'll lock your little bitty ass up. i said what? i ain't making nothing, man, what you talking about? i'm sober. >> holmes comes up clean today. other inmates are not so lucky. >> it's called hooch, that homemade wine. it's what they brew, basically for the weekends, watching the football game. it's like us going to the bar and having a drink. and it's strong, too. >> though holmes usually