"Incognito investigation was one of the tasks that Eichmann most relished, and he remembered it fondly decades later. He visited Jewish organizations, making contacts who thought him liberal-minded and eager to learn ... [but] between coffeehouse chats, memos, lectures, and evening conferences with his colleagues, he was meticulously keeping denunciation files and writing anti-Semitic propaganda, making arrests, and carrying out joint interrogations with the Gestapo."