my dad got out of prison when i was like 5 and he was around until i was like 13. i believe there's hope for all of our kids. everyone has potential inside themselves. even jason. >> liz got invited to be a guest at this rather unusual stop the violence rally, performed by inmates inside a cook county jail rehab unit. >> we see every day pain, despair, self-pity and hopelessness. many of us in this room have had our hand in this madness. it's not too late to stop the violence. >> we have a special guest, ms. dozier, the principal of fenger high school. >> thank you for welcoming me here today and for allowing me to experience this with you. harness this. use this to move and change your