This is an aerial view of the USP Marion Penitentiary in Illinois. It is one of the two highest security prisons in America. It houses up to 814 inmates and is also home to the now infamous lock down that occurred in 1983. As a result of two stabbings against guards the entire prison was in a state of 24 hour lock down. After this the warden declared a state of emergency and the prison has remained in a permanent state of lock down ever since. The prisoners are in their cells for 23 hours every day with just one hour for showers and limited exercise. A standard cell is just eight by ten feet and inmates are required to eat, drink, sleep and defecate in them. Standard vocational and educational activities are virtually non existent. This is one example of completely legal solitary confinements where the health of the people concerned is not measured and not even of concern.
At most other prisons lock downs may last several days to several weeks, however are Marion, the lock down is permanent. The entire prison has been made into a 'control unit' where the objective is absolute physical and psychological control over the prisoners.