Most secure prison

The United States Penitentiary, Administrative Maximum Facility 'Supermax' Prison set in scrubland west of Pueblo, southern Colorado, USA is equipped with motion detectors, 1,400 remote-controlled steel doors, laser-beams, pressure pads and silent attack dogs. Inmates include Oklahoma City bomber Timothy J. McVeigh, 'Unabomber' Theodore J. Kaczynski, Ramzi Yousef, the terrorist who tried to destroy the World Trade Center Towers in New York in Feb 1993, Mafia don John Gotti and Charles Harrelson, who murdered a federal judge (and is the father of the actor Woody Harrelson.)