“If the CIA operated a black site on Diego Garcia, then a string of official statements, from both this and the last government, were totally false. Were ministers asleep at the wheel? Or, as the report suggests, have we been lied to for years?” The new details could be confirmed within weeks after the US Senate voted last week to declassify a 500-page summary of its three-year investigation in the CIA kidnap and torture programme that examined some six million classified documents.