During the war, Sasaki conducted many secondary interrogations with high value POWs at Ofuna (mostly navy pilots). During these interrogations Sasaki came off as honorable, polite & highly intelligent. Just as during the time he was spying for the Japanese before the war, during these interrogations he continued to convincingly purport that he had degrees from "Harvard, Princeton and Yale" (this is not mentioned in the book). Many of these pilots went to their deaths thinking they had been interrogated by a Japanese intellectual with compassion.