Knowledge of these files is classified.You must not use police or intelligence services to carry out your investigation. Those channels are compromised.A final warning: you must move fast.Former MP Francis Morahan swore never to return to politics. But when he’s asked to chair a government inquiry into the intelligence agencies’ record against terror, it’s clear that it’s an order from the top – not a request.Sara Shah once teetered on the edge of a dangerous circle. Now a lawyer in a...