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According to notes, he was the most interesting subject of the test. After it was administered (on May 5, 1938), Dr. Griebl "made us relax all vigilance, all watchfulness over him." However, FBI agents noted that Dr. Griebl appeared worried and perhaps thought he had given himself away. Five days later, the FBI learned that Dr. Griebl had fled to
Germany aboard the
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ran an investigation that targeted Nazi German spies actively working within the country. Part of his method of investigation was the use of polygraph tests on potential German espionage candidates. Dr. Ignatz T. Griebl was one of seven subjects who were selected for the mandatory polygraph tests.
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Representatives of the New York U.S. Attorney Office interviewed Dr. Griebl at the
American Consulate in Berlin, Germany on September 17, 1938. Griebl agreed to the meeting in hopes of obtaining the release of his wife, who was then under bail in New York in connection with the espionage trial of
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On August 19, 1945, Allied authorities arrested Dr. Griebl in
Salzburg, Austria. He was recognized while applying for a travel permit from the Allied Military Government. From this point on he disappears from the historical record.
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Ignatz Griebl became head of the German spy network in New York in the late 1930s, responsible for recruiting spies for its operations. In 1938, about 13 years after Griebl's emigration to the United States, FBI Special Agent
38:, a southeastern state in Germany. He served in the German Army as a First Lieutenant Artillery Officer during World War I but was injured during a battle at the Italian front. He later studied medicine at the
22:(30 April 1898 – Unknown ) was a German physician notable as a recruiter for the German spy network in New York City in the 1930s, in the era of the Nazi rise to power and buildup to World War II.
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Upon his arrival in
Germany, Griebl was arrested and sentenced to 12 days in jail for trying to land without a passport. He was released after paying a fine of 60
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162:"The game of the foxes; the untold story of German espionage in the United States and Great Britain during World War II"
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individuals indicted as part of the spy ring. At the time, Griebl was reported to be employed as a physician in Vienna.
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due to the large community of German-Americans in that area of
Manhattan. His medical practice focused on
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Subject Index to
Correspondence and Case Files of the Immigration and Naturalization Service, 1903–1959
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order (dropping the case against the defendant) was approved on the recommendation of U.S. Attorney
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Court Docket No. C 102-462, United States
District Court, Southern District of New York,
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His naturalization petition to become a U.S. citizen was formally canceled in 1942.
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105:. Griebl had been under indictment for espionage since June 20, 1938.
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New York, U.S., State and
Federal Naturalization Records, 1794–1943
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He first started a practice in Maine but subsequently moved to
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Griebl remained a fugitive until March 14, 1950, when a
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and immigrated to the United States of
America in 1924.
129:. Westport, CT: Praeger Publishers. p. 12.
127:Race to the Moon:America's Duel with the Soviets
203:"Warren GF Jr death Ithaca Journal 1938 p1 c 6"
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255:August 20 1945, "Griebl Arrested in Austria"
226:"Hardy Aides Examine Dr. Griebl in Berlin".
266:United States versus Udo von Bonin et al.
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315:Fugitives wanted by the United States
310:German emigrants to the United States
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295:German Army personnel of World War I
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325:Prisoners and detainees of Germany
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300:People from Yorkville, Manhattan
164:. New York, D. McKay Co. 1971.
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305:Physicians from New York City
125:Breuer, William B. (1993).
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320:Nazis convicted of crimes
179:"Chapter 15 - Nazi Spies"
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47:Yorkville, New York City
209:. 1938-05-24. p. 1
268:, filed March 20, 1950
20:Ignatz Theodor Griebl
290:German obstetricians
232:. September 18, 1938
40:University of Munich
30:Griebl was born in
207:The Ithaca Journal
183:Antipolygraph.org
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285:1898 births
79:Reichsmarks
279:Categories
213:2023-11-14
188:2016-04-17
109:References
51:obstetrics
26:Early life
57:Espionage
32:Straubing
36:Bavaria
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71:Bremen
69:S.S.
131:ISBN
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