Lockdown

Episode 2

Predators Behind Bars

Ohio's Lebanon Correctional Institution is overfull and behind the times.

Episode 3

Inside Maximum Security

Oak Park Heights Supermax controls violent prisoners.

Episode 4

Gang Wars

Salinas Valley State Prison in Soledad, Calif.

Episode 5

Women Behind Bars

California's Valley State Prison deals with violent inmates, overcrowding and heavy drug-trade.

Episode 6

Total Control

One of the newest, high-tech maximum security prisons in the United States.

Episode 7

Alexander Correctional Institution

Nearly 2,200 dangerous and conniving criminals.