The ADX Florence is currently home to notorious convicts like Mexican drug lord Joaquin "El Chapo" Guzman, 1993 World Trade Center mastermind Ramzi Yousef, and "Unabomber" Ted Kaczynski.

ADX Florence, though, also houses celebrity inmates. Past residents have included the Soviet spy Robert Hanssen and the Unabomber, Ted Kaczynski. Currently locked in ADX’s most secure wing are the ...

Better known as ADX Florence, it is the nation's most secure "Supermax" prison. In 2007, "60 Minutes" traveled to Colorado and reported on life inside "The Alcatraz of the Rockies." ...

Umar Farouk Abdulmutallab, dubbed the Underwear Bomber after a failed attempt to blow up a Detroit-bound airplane on Christmas 2009, was imprisoned at ADX Florence, aka Supermax, in 2012 ...

Locked away inside ADX Florence are prisoners serving multiple life sentences. Robert Hood, a warden at the prison between 2002 and 2005 told the Times there is very little consideration given to ...

El Chapo, who has previously escaped Mexican prisons — twice — will likely be sent to “The Alcatraz of the Rockies," or ADX FLorence, the US’s only supermax prison, to do his time.

So Knott arrived at ADX-Florence after being diagnosed in 1990 with a significant mental illness. Throughout his stay in Colorado his diagnosis was confirmed by prison psychologists.

ADX-Florence, where Pinson is housed, is not one of them. He's been on suicide watch at least ten times, including most recently last month.

Just two hours outside of Denver, in a concrete pit among Rocky Mountain foothills, sits the highest-security prison in America. Its official name is the U.S. Penitentiary Administrative Maximum ...

Two inmates at two different prisons in Florence were sentenced Friday for committing crimes behind bars. The Department of Justice says Silvestre Rivera, 57, was sentenced to life in prison for ...