"It’s an intimate process," the old man said. "Entirely about intimacy." He spread his hand, held it, as if above an invisible flame. "An ordinary cigarette lighter will cause a man to tell you anything, whatever he thinks you want to hear." He lowered his hand. "And will prevent him ever trusting you again, even slightly. And will confirm him, in his sense of self, as few things will." He tapped the folded paper. "When I first saw what they were doing, I knew that they’d turned the SERE lessons inside out. That meant we were using techniques the Koreans had specifically developed in order to prepare prisoners for show trials." He fell silent.