Federal corrections officer William Brown stands in the doorway of a typical cell in a general population unit at the US Penitentiary, Administrative Maximum Security facility in Florence, Colo., in a 1994 photo. Unabomber Ted Kaczynski has arrived at the Supermax prison Tuesday, May 5, 1998, his new home where he will serve his life sentence. (AP Photo/Colorado Springs Gazette, Mark Reis,File).