The prisoner made whisky. it's got a strong, whisky aroma. >> inmate-manufactured alcohol goes by many names. whatever it's called, our crews have seen it, heard about it, smelled it and it exists in every prison we filmed in. alcohol is used daily. alcohol inside correctional institutions are a very, very big problem. it's only takes a small amount of time to make the alcohol and just about everyone does it. >> this is a bag of pruno we discovered just a up canal days ago. inside, you can smell the sweet smell of the pruin itself and the apples. >> how much could that serve? >> actually, it w...