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, we find you making that hooch, we'll lock your little bitty ass up. i said what? i ain't making nothing, man, what you talking about? i'm sober. >> it's called hooch, that homemade wine. >> holmes comes up clean today. other inmates are not so lucky. 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 conceals his hooch-making operation, the prison allowed our cameras to show us how it's done, provided it's destroyed upon completion. >> i'll tell you what, two styrofoam cups, you drunk, three, you're passed out. you drink four, you're going to the hole. trust me. take my jug. gallon jug. and this is half gallon h

. >> reporter: calvin holmes heads the chicago community loan fund which distributes financing from calvert to local organizations. holmes says the groups don't need to have spotless credit histories, but they do need solid business plans. >> we have a compliance monitoring team that meets with our customers on a regular basis, and we're always trying to help them not only get to the finish line, but to be successful as an organization in the long haul because the goods that they provide and the services they provide are so important to us. >> reporter: diane eastabrook, "n.b.r.," chicago. what drives me is really just like the basic elemental principle that every single one of us has a desire to be kind and of service to somebody else. >> everybody has something to offer, whether you as a volunteer is the person or that person can truly offer something to you, you know. and i just think that that's very important especially nowadays that we are very caught up with like computer. i think it's so important to have that one-on-one with somebody and what better way to volunteer it. >> tom: is