John Mills is serving seven to nine years at Polk Youth Institution in North Carolina. As a kid, John dreamed of becoming a police officer. But when he was 15 years old, he held up a convenience store with a BB gun. This first robbery was not his last. By the time John was locked up at the age of 17, he had committed over 75 armed robberies. Now 22 years old, John is trying to change his life. But sometimes itís hard for him to forget the thrill of putting a gun to someoneís head.

John is one of 1,000 inmates ages 18 to 21 who are incarcerated at Polk. Over 300 officers work there in eight-hour shifts.