He was never charged with any terrorism offenses, although he was convicted of fraud for having false papers and eventually deported.

CNN: Supreme Court accepts 9/11 detainee case

Another source of regret for Raymond Aubrac was his failure to persuade his parents to leave France for the safety of Switzerland even though he had secured false papers for them.

CNN: Nazi era French Resistance leader dies

The latest raid in London is probably a result of another success: the discovery last month of false papers, protection suits, and chemicals suitable for bombmaking in a flat in Paris, where four North Africans were arrested.

ECONOMIST: A plot foiled. What next?