as a supporter of 2008 top cnn hero maria silva, i am committed to building schools and preventing aids in malawi. now, more than ever, the world needs heroes. >> we all leave prison saying, i'm going to get my life on track. and you end up getting off a bus, downtown los angeles, skid row. many times you don't even make it out of the skid row area before you're caught up into that cycle again. my name is susan burton. after my son died, i used drugs. i went to prison six times. finally, i found rehab. and i thought i can help women come home from prison. i picked them up, bring them back to the house. >> she offers you a warm bed.