The official line is clear: the United Kingdom does not "participate in, solicit, encourage or condone" torture. And yet, the evidence is irrefutable: when faced with potential threats to their national security, the gloves always come off. Drawing on previously unseen official documents and the accounts of witnesses, victims and experts, prize-winning investigative journalist Ian Cobain looks beyond the cover-ups, the equivocations, and the attempts to dismiss brutality as the work of a few rogue interrogators, to get to the truth. From the Second World War to the War on Terror.