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, * * QR ae Se it in et atin sinned renin oe | ninstetticten aretiliy Sina Be mete ate Pam te ae ona ae aOR ee og Pe Se eee cy WS oe Director, FBI - 2 = March 25, 1943 Re: RUDOLPH EMILIAN SIEBER : INTERNAL SECURITY = G ‘ ate Miss DIETRICH was highly upset due to the fact that her daughter, MARTA{SIEBER, who is fPigiiteen vears of age and presently attempting to break "into pict: res bad been alienated from her mother and peaks g the efforts of reconciled sim Sea eu 7 ! : os Res : ms, coupled with the fact that her husband's attorney ; of New York City, told MARLENE DIETRICH and RUDOLFH SIEBER. there was & possibility that Wan anonymous letter has been sent in causing the delay" in SIEBER'S request J for citizenship, caused Miss DIETRICH to believe that ay have b1 written such a letter. Miss DIETRICH was told by Special Agent that any information as to whether such e letter had been sent in should be obtained from the Immisration and Naturalization Service. As further proof of determination to cause difficulty, Kiss DIETRICH stated that at one time this person had told gga: that she hoped New York would be bombed, hoping that SIEBER would be killed in the raid. Special Agent telephonically contacted Inspector of Immigration and Naturalization Service, who stated that "I did mention. that we were waiting for a report. from one of your offices, I don't believe I said which one®,