Lista episodi

Go behind the walls of Riverbend Maximum Security Prison, home to Tennessee's most violent offenders.

Valley State Women's Prison in California struggles to reform.

See how the once-infamous Rikers Island jail has reinvented itself.

A "jail within a prison" protects some inmates from others.

Hard time - and sometimes love - for women behinds bars.

Maintaining control through "zero tolerance" in Iowa.

The Corcoran State Prison, located in an isolated valley, is one of California's largest maximum-security institutions.

Violent offenders and mentally ill inmates in Indiana.

Oklahoma inmates tell their own remarkable stories.

Inside the prison housing some of Illinois' most violent criminals.

Inside the maximum security prison inmates call "the end of the world."

San Quentin State Prison in California: one of the most famous, most notorious penitentiaries in the world.