brian abendroth has noticed a significant change in his cell mate, ricky mckaskle. >> ricky is thirsty changed. other people, he's smacked the crap out of them, knocked them down a few notches. >> mckaskle says he feels he's on the right track with his new-found religion. >> i decided to convert to judaism because i heard jesus was a jew. i heard god was a jew. the -- if the jewish people are the chosen ones, then i want to become one of them. >> how do you become jewish. >> you start living like the jewish people live and consider yourself a jew. i was wondering the same thing, am i actually a jew. one of the main things is you have to be circumcised, i guess. >> do you have that covered? >> i'm definitely circumcised, yes. maybe it was meant for me to be jewish. >> some inmates have been known to convert to judaism on the belief they will eat better on a kosher meal plan. but they must first go through a transition period to assure they're serious. in this case, going kosher, means going sparse. >> the most difficult part of converting to judaism for me so far is eating beans, rice a