and also, azim khamisa.r-old son was killed by a 14-year-old gang member tony hicks in 1995. let's first go to bryan stevenson in montgomery. he argued the case before the supreme court. talk about its significance. >> we are very encouraged by the court's ruling. this is an important step forward for 30, 40 years we have been defending -- sending children to die in the prison. we're the only country in the world doing that. until the court struck down the death penalty for juveniles in 2005, this was an issue that are virtually no attention. we are really pleased and last three years the court has recognized child status is critical and important, even in the criminal-justice system where for decades we have really ignored the plight, status, conditions, the challenges that children have in all communities with regard to sentencing. it is a really important step forward. >> you mentioned the u.s. is exceptional in putting children into prison for life. why is it the u.s. does that? how did that practice com