The rendition programme was/ has bren a well-known criminal, terrorist programme. The terrorist states of the US and Britain and others in collaboration with others states, inlcuding Arab and non Arab ones, have been involved in this programme. Denying any involvement is not a surpriss; history is full of such examples. Denial also demonstrates cowardliness.
For a background of the story, see
September 11 and the functions of the 'war on terror"