- CNN Hero helps San Quentin inmates successfully transition from prison to society
- Collette Carroll's program targets emotional and social change and teaches life skills
- Do you know a hero? The deadline to nominate a 2015 CNN Hero is September 1
Marin County, California (CNN)Collette Carroll has never committed a crime. By all accounts, the 65-year-old grandmother and churchgoer is squeaky clean. But every week, she walks the halls of California's notorious San Quentin State Prison. And she doesn't want to leave.