james connell, has represented baluci since 2008. much of what he knows is classified. >> i'm not allowed to talk about black sites, existence of black sites. >> can we talk about the prison? >> i can neither confirm or deny that there's a dark prison. >> some details of the cia's torture were revealed, including the faims of the people involved but the -- names of the people involved but the world has heard little about them. >> that is his handwriting? >> yes, the first day they shaved his head and they hit his head number russ times. he wrote, i passed out. >> that treatment was called walling, more than a dozen techniques given legal approval aft 9/11. but connell says that and other methods used on belluci left permanent damage. >> things that have led to the deaths of innocent people. can you understand why there might not be a great deal of sympathy for interrogation techniques like this? >> torture doesn't have anything to do with sympathy and it's bigger than any one individual or any group of individuals. torture has to do