. >> cheryl megarry is serving up to five years for forging a credit card application, a crime she perpetrated in order to buy drugs. >> this unit's very good because the women all support each other. it's like a sisterhood. >> in the community they have mentors, they have support for each other. >> positive nine plus negative six. >> exactly. >> we have set it up so that everybody gets positive reinforcements all the time. >> we realize the consequences what we've done, because of the wrong choices we have made and how we've harmed our loved ones. we can't change the past but we can change the future. >> i'm just a totally different person. you wouldn't have liked me seven years ago. >> cindy johnson has been clean for some time. a graduate of the excel program, cindy discovered her drug problem only after it was too late. >> i am here on a first degree murder charge. i've been here seven years. i was a housewife. i have four children out there. i got into the pain pills. i got involved with an older man that was giving me his pills for sexual favors. and it just got really deep. i broke it o