<p> <br /><b>LOCKDOWN: INSIDE MAXIMUM SECURITY PART 1 OF 3</b> <br /><br /><b>Lockdown goes inside one of the country's most secure prisons - Oak Park Heights Supermax.</b> This state-of-the-art fortress houses criminals other prisons can't handle. <br /><br />Built partially underground, the Supermax combines innovative architecture, cutting-edge technology and an expertly-trained staff to control some of the most violent prisoners in the system. <br /><br />But the system's most dangerous inmates are always looking for ways to fight back, and their criminal ingenuity puts the Supermax to the test. <br /></p><p></p>
