adelfo davis's case barely caused a ripple. >> i heard the life but i didn't understand that meant i would die in prison. >> 23 years after the night of violence that put him away davis is behind bars at maximum community stateville correctional center in crestville illinois. his case is at the center of a nation-wide movement to rethink the juvenile justice system and write old wrongs. >> i see people walk out. i'll always have hope that my day will come. >> in the summer of 2012, davis found a new reason for hope, in miller re alabama, the u.s. supreme court issued a landmark ruling: >>> the question was not whether kids could be locked up for life, that, according to the supreme court is per missable. the question was whether it was mandatory, or whether judges and juries should be allowed to consider mitigating factors like a person's role in a crime or a person's upbringing. patricia's son works for the center or juvenile law and policy and is adelfo's attorney. >> at the time of the sentence no court considered the use or the characteristics that come with youth, the facts of th