ADX Florence

ADX Florence is the common name for the United States Penitentiary, Administrative Maximum Facility, a federal supermax prison for men in Florence, Colorado.

ADX Florence is the common name for the United States Penitentiary, Administrative Maximum Facility, a federal supermax prison for men in Florence, Colorado. Operated by the Federal Bureau of Prisons, it is known for housing some of the most dangerous inmates in the U.S. federal system. The facility opened in 1994 and is the only federal supermax prison in the United States.

Overview

ADX Florence is a high-security federal prison operated by the U.S. Bureau of Prisons in Florence, Colorado. It is intended for inmates considered too dangerous or disruptive for ordinary federal prisons.

Security and conditions

The prison is known for its supermax design, which emphasizes separation, surveillance, and limited contact between inmates. Public reporting and human-rights groups have highlighted its extensive use of solitary confinement and restrictive housing.

History

The facility opened in 1994 as part of a broader federal move toward maximum-security control units and supermax incarceration. It was developed in response to concerns about prison violence and escape risk.

Notable inmates

ADX Florence has held several well-known federal prisoners, including convicted terrorists, organised-crime figures, and other high-profile offenders. These cases have contributed to the prison’s notoriety in public and media coverage.