for those of you that knew, my name is miss shelia. i'm a grateful recovering addict.e been clean for 19 years. >> once a week, shelia davis volunteers time to share her story with the female inmates. >> i have hands on been in the pits of hell with my addiction. in and out of jail, stealing, lying, and i really believe that my calling has been to try to help others. >> i love shelia. she's very inspirational and i get so much out of her groups. and i know that coming from the same streets as her, if she can do it, i can do it. >> you have to make up your mind where are you going to go and what you're going to do, right? >> rebecca goodman, who has been fighting her own battle with drugs for the past decade is more skeptical. >> i've been through all of this. i've spent half of my life span of ten years off and on being clean. to my opinion, i just don't want to hear a speaker. for me, my drug addiction keeps getting worse. every time i go back out, it's worse. >> really? >> yes! >> god, i didn't know that! >> yes. >> you know what they call that? progression. that's w