One of the country's most secure prisons is home to some of history's deadliest convicts.

Letters from inmates shed light on survivng conditions some call cruel. Aug. 2, 2007 — -- They are among the most secure places on earth -- hard to get into, and nearly impossible to get out ...

Recaptured Arkansas prison escapee known as the 'Devil in the Ozarks' sent to SuperMax prison. ... The Varner Unit, established in 1987, has the capacity to house 1,714 inmates.

Convicted killer and recaptured prison escapee Grant Hardin, known as the “Devil in the Ozarks,” has been transferred to the Varner SuperMax prison southeast of Little Rock, Arkansas prison ...

Convicted killer and recaptured prison escapee Grant Hardin, known as the “Devil in the Ozarks,” has been transferred to the Varner SuperMax prison.

Recaptured Arkansas prison escapee known as the 'Devil in the Ozarks' sent to SuperMax prison. ... The Varner Unit, established in 1987, has the capacity to house 1,714 inmates.

Convicted killer and recaptured prison escapee Grant Hardin, known as the “Devil in the Ozarks,” has been transferred to the Varner SuperMax prison so ...

Recaptured Arkansas prison escapee known as the 'Devil in the Ozarks' sent to SuperMax prison. ... The Varner Unit, established in 1987, has the capacity to house 1,714 inmates.

Convicted killer and recaptured prison escapee Grant Hardin, known as the "Devil in the Ozarks," has been transferred to the Varner SuperMax prison southeast of Little Rock, Arkansas prison ...

Recaptured Arkansas prison escapee known as the 'Devil in the Ozarks' sent to SuperMax prison. ... The Varner Unit, established in 1987, has the capacity to house 1,714 inmates.

Recaptured Arkansas prison escapee known as the 'Devil in the Ozarks' sent to SuperMax prison. ... The Varner Unit, established in 1987, has the capacity to house 1,714 inmates.