In June 1942 the Nazis launched Operation Pastorius, a spy and sabotage mission inside the United States. It ended up being kind of a bumbling clown car of a spy operation. Operation Pastorius was the brainchild of Admiral Wilhelm Canaris, chief of the German Abwehr, and named for Francis Daniel Pastorius, the leader of the first organized settlement of Germans in America. Canaris recalled that during World War I, he organized the sabotage of French installations in Morocco, and entered the United States with other German agents to plant bombs in New York arms factories, including the destruction of munitions supplies at Black Tom Island, in 1916. He hoped that Operation Pastorius would have the same kind of success they had then. Eight Germans who had lived in the United States were recruited. Two of them, Ernst Burger and Herbert Haupt, were American citizens. The others, George John Dasch, Edward John Kerling, Richard Quirin, Heinrich Harm Heinck, Hermann Otto Neubauer, and We...