tami butcher stays in shape by pacing herself in sets of 52 laps, one for each card in her playing deck. >> hey, butcher. >> good morning. >> staying out of trouble? >> absolutely. >> butcher is well known at the orange county jail, not only as a frequent inmate but as a local roller derby star. >> my mom dragged me to a roller derby competition out in corona, so i went there, and who do i see but inmate tami butcher smashing and bashing as she rode around that roller rink. she is not aggressive in jail, but she was definitely aggressive on that roller rink, i'll have to say that. >> it's women just bashing other girls for sport value. it's fun. my roller derby name is "hurt in a skirt." i've been doing it for four years. it's a good way to relieve a lot of tension.