What happened to the young inmates interviewed at the 1969 johnny cash concert in san quentin and what became of them?

At the 1969 Johnny Cash concert in San Quentin, several young inmates were interviewed, including a young man named "Ray." Many of them were serving time for serious offenses and expressed hopes for redemption and a better future. Following their release, some struggled to reintegrate into society, while others found success and stability, using their experiences as motivation for change. The concert became a notable moment in prison reform and highlighted the struggles of incarcerated youth.