إذاعة صوت العرب
Mildenstein visited the United States in 1954, having been granted a visa to do so at the request of the government of West Germany. In January 1956, he asked the U. S. Embassy in Bonn to help him obtain an exchange grant for journalists, although he was not one. By then a member of the Free Democratic Party, in May 1956 he was elected to its Press Committee. In December 1956, a CIA report from Cairo confirmed that he had been employed by the Egyptian government of Gamal Abdul Nasser to work for its Voice of the Arabs radio station. In June 1960, soon after the capture of Eichmann by Mossad agents in Buenos Aires on 11 May 1960, Mildenstein announced that he had had an operational relationship with the CIA and as a former U. S. intelligence agent claimed immunity from prosecution. This relationship was neither confirmed nor denied by the CIA.