In June 1942, a man walked into FBI headquarters in Washington and dumped $84,000 in cash onto an assistant director's desk. He was George John Dasch, commander of a Nazi sabotage team that had landed by U-boat on Long Island days earlier, and he was there to betray his entire unit. This episode traces the life and defining choices of a man chosen by German high command to cripple the American war effort who instead ended up exposing it.

We cover the Abwehr's Operation Pastorius, from Admiral Canaris's obsession with repeating the 1916 Black Tom explosion, through the sabotage school near Berlin where recruits learned to mold explosives like lumps of coal and memorize baseball statistics, to the botched beach landing, the fumbled bribe of Coast Guardsman John Cullen, and the hotel-room ultimatum that turned Ernest Burger. Then we examine ho ...