. >> calvin williams got his nickname while working as a sparring partner to a heavyweight boxer. >> he'll jab me and hit me real hard and i'll get upset about it. he kept doing it so i snapped my gloves off and i attacked him. i knew i couldn't beet him hand-to-hand so i bit him. when they broke us off, when they wiped the blood away, it was in the shape of a gator. i don't know how i did it. >> any anymore names? >> the name hustle got me here too. sometimes it ain't good to hustle. >> while nicknames are common in prison, we've discovered something else is as well, but it's not as harmless. >> what is that in. >> prison-made whiskey. got prunes in it. open they just wait until it ferments good. >> what does it smell like? smell it and tell us. >> kind of a strong whiskey aroma. >> it goes by a lot of names, whiskey, hooch, white lightning. we've heard about it, smelled it and it exists in every prison we've been in. >> it's a very big problem because it only take as small amount of time to make the alcohol and just about everyone does it. it's a constant cat and mouse game. >> thi