Often times over coffee and a cigarette.

In The Interrogators we see how Chris Mackey and his fellow "soldier-spies" swiftly discovered that the techniques and tactics grounded in the Cold War were of no use against al Qaeda and Taliban prisoners—and how Mackey's group engineered breakthroughs in interrogation strategy, creating highly sophisticated ruses and elaborate trickery to bluff, terrify, and confuse their opponents to yield up precious information. And Mackey's team did so under the most extreme sort of pressure: the fear that one of these prisoners knew the details of a plot that might make 9/11 look like child's play.