Supermax: Inside the prison where El Chapo may serve his life sentence
Inside El Chapo's Newest Supermax Prison Cell
ADX: The World's Most Impenetrable Prison - El Chapo's New Home?
I-Team: Former Warden Says Death Is Better Than Life In Supermax
Supermax Prison in Florence Colorado- The Aryan Brotherhood The most Notorious Gangs
The United States Penitentiary, Administrative Maximum Facility is an American federal prison which provides a higher level of custody than a maximum security prison. It is classed as a supermax or "control unit" prison, where the safety of inmates and staff is paramount. It is located in unincorporated Fremont County, Colorado, near Florence, and opened in 1994, and it is informally known as the "Alcatraz of the Rockies".