>> while tetter and berard pass the time playing guitar, a contraband brew called prison julep provides course, yeast is the catalyst for that. they're not able to steal the yeast, per se. they will take raw dough and try to hide raw dough and keep it. they'll take bread to use. any type of a juice that has any form of sugar in it, they will use that. >> today, officers perform a random search in one of holman's general population dorms. though looking for any type of contraband, they keep a nose out for prison julep. >> you can smell the aroma coming out of this box. it's got prunes in it. they just wait until it ferments good. kind of a strong, whiskey aroma. they keep it in these airtight jugs so it ferments good, gets good and hot. then they sell it for bags of chips or cigarette smokes or cold drinks or whatever they can get for it. that's how they make their little living in here. just to survive. >> there are ways to make legitimate money at holman. here at the tag plant, inmates make license plates and are paid 30 cents an hour. prisoners can spend their hard-earned cash on food