. >> john bogdan: hey, john bogdan. how you doing?l john bogdan is the commander-- in effect, the warden. so this is where all the detainees are housed? >> bogdan: the bulk of them. >> stahl: the facility is modeled after maximum security prisons in the u.s., and yet it cost 35 times more here, at up to $2.7 million a year per prisoner. how many detainees in all in the whole facility? >> bogdan: 164. >> stahl: and is khalid sheikh mohammed and the 9/11 five right here in this part? >> bogdan: no, they are in a separate facility for the high- value detainees. >> stahl: is it a secret? >> bogdan: it is. it's a classified location. >> stahl: classified, so we can't see that? >> bogdan: no, we can't. >> stahl: and how old is the oldest person here and the youngest person? >> bogdan: the oldest, i believe, is 63; the youngest is around 30. >> stahl: he took us onto one of the cell blocks where the detainees are kept in single cells. >> bogdan: this is bravo block in camp five, which is generally where we put detainees that are on disciplin