especially if you're convicted as a teenager. advocates like brian stevenson say juvenile offenders should never be treated the same as an adult. >> we put thousands of kids in adult jails and prisons. we started prosecuting these kids. even today we have states with no minimum age. i don't think we should ever put children in adult jails in prison. >> what about ones that committed violent crimes like murder? >> we got children incarcerated. >> i'm sitting in on a support group. all these men committed their crimes before they were adults and were given sentences of life without the possibly of parole. they're called juvenile lifers. >> i was 16 years old when i committed my crime. >> 17 years old. >> committed my crime at the age of 16. >> there were about 2,000 juvenile lifers like them in u.s. prisons today. >> i was a lot different at 16 than i am at 60 now.