Supermax prison

A super-maximum security (supermax) or administrative maximum (ADX) prison is a "control-unit" prison, or a unit within prisons, which represents the most secure level of custody in the prison systems of certain countries.

The objective is to provide long-term, segregated housing for inmates classified as the highest security risks in the prison system and those who pose an extremely serious threat to both national and global security.^[1]

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