s' known as admin segregation. it's like the jail within the jail. >> the disciplinary issues are >> so severe, to ensure the safety of detainees, you have to place them in administrative segregation. >> administrative segregation inmates are locked down 23 hours a day and are cuffed and shackled any time they are out of their cells. they are allowed only an hour a day for rec time or phone calls, which can be taken away if they fail their daily inspection. >> they can lose their hour if they don't follow the rules, don't make up their beds, if they're not ready for inspection, they lose their hour. >> one area of unit 2-c is even more isolated. >> behind me is what's called the bubble. that's for your highest of all profile cases. >> more regular ad seg inmates are allowed to interact with others during rec time. bubble inmates must spend the one hour out of their cell in the rec yard alone. one of the inmated housed in the bubble is norman smart. >> mr. smart was placed in there due to the fact that his case was