Behind the locked gates of Richard L. Bean juvenile prison in Knoxville are shackled kids, no privacy and Bean’s favorite sadism: children in solitary confinement, often for days at a time.

Feltham houses young male offenders aged between 15 and 18 A 16-year-old boy's human rights were breached by his being kept in solitary confinement for 23-and-a-half hours a day, a judge has ruled.