1943 February Han Bernd Gisevius, German vice-consul in Zurich and a senior Abwehr (military intelligence) agent, makes contact with Allen Dulles through Gero von Gaevernitz, a naturalized American citizen who has become Dulles right-hand man and chief advisor on German politics. Gisevius cautions Dulles that the American legation's codes are not secure, thereby earning Dulles's gratitude. Gisevius and his Abwehr associate Eduard Waetjen continue to supply Dulles with information until the end of the war. (Silence)