Three years ago, high court judges hearing the Mohamed case said the CIA material which the US and British governments were fighting to suppress "could never properly be described in a democracy as 'a secret' or an 'intelligence secret' or a 'summary of classified intelligence'". Rather, what it revealed was "admissions of what officials of the US did to BM [Mohamed] during his detention in Pakistan".
http://www.guardian.co.uk/law/2012/apr/04/mps-resist-cia-demands-disclosure?intcmp=239