No one has ever escaped from the Colorado Supermax prison since it opened in 1994 ...

Joaquin "El Chapo" Guzman is serving a life sentence at a maximum security facility in Colorado.

Boston Marathon bomber Dzhokhar Tsarnaev is now detained in the highest-security prison in the country. Tsarnaev was sentenced to death last month. He then was taken from Massachusetts to the U.S.

Add Yahoo as a preferred source to see more of our stories on Google. Eric King served almost two years at the federal super-maximum security prison ADX Florence in Colorado. ADX is often described as ...

Joaquín "El Chapo" Guzmán has made himself heard again from inside the United State's most restrictive federal prison, this time with a handwritten letter in English that pleads for "fairness" and ...

WASHINGTON(AP) — A federal judge has temporarily blocked the Trump administration from transferring 20 inmates with commuted death sentences to the nation’s highest security federal prison, warning ...