adolfo davis' case barely caused a ripple. >> i heard the word life but i didn't know that meant i was going to die in prison. >> 23 years after the night of violence that put him away, davis sits behind bars at maximum security state correctional center in crest hill, illinois. now his case is at the center of a nationwide movement to rethink the juvenile justice system and right old wrong. >> i see people walk out of here every day. so i am always going to have hope. you know, that my day will come. >> in the summer of 2012, davis found a new reason for hope in the case called miller re alabama the u.s. supreme court issued a land more ruling. mandatory life without parole sentences for juveniles were declared unconstitutional. the question wasn't whether kids could be locked up for life, that according to the supreme court, is still permissible. the real question, was whether or not it was mandatory. or whether judges and juries should be allowed to consider mitigating factors, like a pen's role in a crime or a person's upbringing. patricia sun works for loyola's center for juvenile