USA: federal supermax prison in Colorado is 'inhuman' and in breach of international law | Amnesty International UK
Should Mentally Ill Federal Prisoners Be Punished for Suicide Attempts? - The Atlantic
Marion prison lockdown, Thomas Silverstein: How a 1983 murder created America's terrible Supermax prison culture.
The Alcatraz of the Rockies': Why No One Ever Escapes From ADX Florence | HowStuffWorks
No escape? El Chapo likely off to 'prison of all prisons' | HeraldNet.com
CRIME: U.S. “Supermax” security prison infographic
Photos show the "Supermax" prison in Colorado, also known as ADX, where El Chapo may be imprisoned
Prisons in Colorado and the Inmates That Occupy Them
ADX Florence - Wikipedia
The World's Most Secure Buildings: ADX Florence Prison
Colorado's Supermax prison now occupied by El Chapo is “worse than death,” ex-warden said – Canon City Daily Record
Anatomy of a SuperMax Prison | Carrington College
Inmate killed in fight at federal prison in Colorado becomes third to die in a spate of violence - The Colorado Sun
Colorado prison 'a high-tech version of hell' - The Boston Globe
Infamous Inmates of Colorado's Supermax Prison
Colorado's Federal Supermax Prison Is Force-Feeding Inmates on Hunger Strike | The Nation
ADX Florence - Wikipedia
11 infamous criminals at Colorado's Supermax | Pikes Peak Courier | gazette.com
El Chapo' likely to join other notorious criminals in Colorado's 'Supermax' | The Daily World
Inside America's Toughest Federal Prison - The New York Times
The World's Most Secure Buildings: ADX Florence Prison
Supermax prison: 5 things to know about the 'escape proof' ADX-Florence
