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When the photographed documents were displayed to
Wennerström, he confessed, but at the same time denied that his spying had been directed against Sweden. Soon, however, he was convicted. During the six years prior to his arrest, Wennerström is believed to have handed over 20,000 pages of secret documents about the Swedish defences. The documents contained information about the Swedish Air Force's strategy, secret military bases, and radar defense and mobilization plans.
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In 1939 he married Ulla-Greta
Carlsson (1919–2015), the daughter of consul Eric Carlsson and Helga Andersson. He had two daughters. One of his daughters, Christine, made headlines in 1957 when at the age of 16 she ran away to elope with her 18-year-old boyfriend, a Senate page named Huw Williams. The
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was locked for a search warrant that would take almost a week. Initially, Wennerström denied the charges. At the same time, SÄPO failed to develop the film rolls containing
Wennerström's photographs of secret documents. An expert was called in, and after three and a half days, found the right method.
42:
325:
One of the leads provided by Sniper was that a senior
Swedish Air Force officer was spying for the Soviets. Sniper did not identify him, but did state that he had previously been a CIA agent and had served in Moscow as the Swedish
314:. These revealed much useful intelligence and would be regarded as the British Security Service's 'finest post-war investigation'. In December 1960, Sniper was revealed as the Polish Military Intelligence officer
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for surveillance. Evidence collected by autumn 1961 was enough to have
Wennerström transferred to a post without access to secret information. In June 1963, the maid reported that she had found some
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couple was apprehended eighteen days later in
Pennsylvania, US, having been denied in their effort to obtain a marriage license in several states, and in Canada.
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from 1946 to 1948 and was again air attaché in Moscow from 1949 to 1952. Wennerström was promoted to colonel in 1951 and served as air attaché in
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in 1974 after serving a total of 10 years; the norm in Sweden at the time was to release prisoners after they had served half their sentences.
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with the rank of acting sub-lieutenant in 1929 and conducted flight training from 1931 to 1932. Wennerström transferred to the newly created
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330:. These facts were communicated to Säpo and they pointed to Wennerström's record. Säpo then tapped his phone line and recruited his
310:
In 1959 an anonymous source identifying themselves as 'Sniper' wrote a series of letters to the
American Ambassador to Switzerland,
243:
1398:
386:
in prison, the most severe peacetime sentence.. In 1972 the
Swedish government commuted the sentence to 20 years, despite the
370:
came up behind
Wennerström and arrested him. After his arrest, Wennerström was brought to SÄPO's premises on Bergsgatan in
858:
307:
and in 1947 there were indications that he had connections with the Soviet Union, but the suspicions couldn't be proven.
295:. When working as an air attaché in Washington, D.C., he was very useful to the Soviet military intelligence agency, the
735:
264:
from 1940 to 1941. Wennerström was promoted to major in 1944 and to lieutenant colonel in 1946. He was a teacher at the
383:
1214:
Colonel W traitor: Wennerström's espionage: a comprehensive report based on the source research and image documents
649:. Kungl. Krigsvetenskapsakademiens handlingar och tidskrift. Bihäfte ; 1946:3 (in Swedish). Stockholm: Akad.
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1210:Överste W förrädare: Wennerströms spionage : en samlad redogörelse byggd på källforskning och bilddokument
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216:, Sweden, the son of major Gustaf Wennerström and his wife Ester Berggren. On 12 May 1926, he passed
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Under a military tribunal in wartime, treason could have been punishable by execution by
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Morgondagens flyg: sett mot bakgrunden av teknikens utveckling och andra världskriget
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537:(1954) – excluded from the order by King Gustav VI Adolf on 21 September 1964.
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Flygstrategien i belysning av det andra världskriget: Tävlingsskrift år 1945..
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In the morning of 20 June 1963, Wennerström was on his way to his work at the
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During the 1950s, Wennerström leaked
Swedish air defence plans and the entire
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666:. Allhems flygböcker, 99-1852751-X ; 3 (in Swedish). Malmö: Allhem.
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788:] (in Swedish) (2nd ed.). Stockholm: Vem är vem. p. 1369.
713:. Sweden banned capital punishment altogether, even in wartime, in 1973
413:
Wennerström died on 21 March 2006 at the retirement home Tallgården in
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1208:
Bernhardsson, Carl Olof; Falkengård, Christina; Thunvik, Sten (1967).
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from 1938 to 1947 and was promoted to captain in 1939 and served as
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Tagesson, Eric; Aschberg, Richard; Hjertén, Linda (28 March 2006).
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where he was promoted to lieutenant in 1936. He attended the
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1324:
English language obituary at Sveriges Radio International
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and he was buried on 3 May 2006 at Djursholm's Cemetery.
1359:
Swedish people convicted of spying for the Soviet Union
839:] (in Swedish). Stockholm: Norstedt. p. 1135.
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Röda vingar: det ryska flyget från tsartid till nutid
338:
hidden in his attic and on 20 June he was arrested.
303:(SÄPO), suspected that Wennerström was working for
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1384:Prisoners sentenced to life imprisonment by Sweden
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234:Wennerström was commissioned as an officer in the
1039:Young Romeo First Placed Spy Suspect In Headlines
1374:Swedish prisoners sentenced to life imprisonment
900:. London: Weidenfeld and Nicholson. p. 66.
888:
886:
884:
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246:'s staff school from 1936 to 1937. He served as
1112:
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514:(1946) – excluded from the order by King
272:from 1952 to 1957. He was section chief at the
837:Who is it: Swedish biographical handbook. 1963
1185:] (in Swedish). Stockholm: Bonnier Alba.
945:
943:
941:
8:
362:in central Stockholm. Just as he passed the
832:Vem är det: svensk biografisk handbok. 1963
603:Från början till slutet: en spions memoarer
493:King Gustaf V's Jubilee Commemorative Medal
1379:People convicted of treason against Sweden
1231:Wennerströmaffären : En spionhistoria
960:(in Swedish) (6). Lund: Historiska media.
274:Military Office of the Minister of Defence
212:Wennerström was born on 22 August 1906 in
29:
1302:An agent in place: the Wennerström affair
1277:] (in Swedish). Stockholm: Norstedt.
1154:(in Swedish). 16 January 1958. p. A7
254:Prince Gustaf Adolf, Duke of Västerbotten
1256:] (in Swedish). Stockholm: Bonnier.
1183:Stig Wennerström: the spy who was silent
1369:Swedish collaborators with Nazi Germany
1354:Swedish expatriates in the Soviet Union
724:
702:
188:(22 August 1906 – 21 March 2006) was a
1216:] (in Swedish). Stockholm: Medén.
730:
728:
804:[New students in Stockholm].
266:Royal Swedish Air Force Staff College
7:
932:
920:
1055:Aschberg, Richard (29 March 2006).
865:. Ballantine Intelligence Library.
736:"Swedish Spy Stig Wennerstrom, 99"
632:(in Swedish). Stockholm: Bonnier.
605:(in Swedish). Stockholm: Bonnier.
25:
1394:Military personnel from Stockholm
1179:Stig Wennerström: spionen som teg
244:Royal Swedish Naval Staff College
1233:(in Swedish). Historiska Media.
1085:"Stig Erik Konstans Wennerström"
786:Who is who? 1, Greater Stockholm
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1389:Officers of the Legion of Merit
829:Burling, Ingeborg, ed. (1962).
1404:World War II spies for Germany
1248:Rönblom, Hans-Krister (1964).
1124:(in Swedish). 27 February 2017
990:. K G Bertmarks förlag. 1973.
952:"Storspionen Stig Wennerström"
898:A Matter of Trust: MI5 1945–72
186:Stig Erik Constans Wennerström
55:Stig Erik Constans Wennerström
1:
781:Vem är vem? 1, Stor-Stockholm
192:officer who was convicted of
1091:(in Swedish). Archived from
360:Ministry for Foreign Affairs
200:activities on behalf of the
1177:Bergmark, Birgitta (1993).
801:"Nya studenter i Stockholm"
778:Harnesk, Paul, ed. (1962).
291:fighter jet project to the
280:Spying for the Soviet Union
1420:
1349:Swedish Air Force colonels
1304:. New York: Viking Press.
1300:Whiteside, Thomas (1966).
662:Wennerström, Stig (1946).
645:Wennerström, Stig (1946).
628:Wennerström, Stig (1946).
601:Wennerström, Stig (1972).
382:Wennerström was initially
1269:Sundelin, Anders (1999).
1057:"Här begravs storspionen"
988:Structured Language World
46:Stig Wennerström, c. 1960
39:
1118:"Lustigheter i listorna"
810:. 1926-05-14. p. 6A
301:Swedish Security Service
299:. As early as 1943, the
27:Swedish airforce officer
1045:(June 28, 1963), p. 30.
590:Mexican Air Force medal
405:Personal life and death
1229:Olsson, Simon (2022).
470:Awards and decorations
355:
354:in the summer of 1963.
18:Stig Wennerström (spy)
1043:The Knoxville Journal
518:on 21 September 1964.
432:Acting sub-lieutenant
349:
342:Arrest and conviction
148:Years of service
1399:Swedish air attachés
1275:The Wennerström Case
1254:Wennerström, The Spy
1250:Wennerström, spionen
1122:www.phaleristica.com
1011:"Spionen blev 99 år"
366:, three people from
352:Stockholm City Court
174:Duke of Västerbotten
1095:on 30 November 2020
950:Lans, Karl (2013).
741:The Washington Post
276:from 1957 to 1961.
1271:Fallet Wennerström
579:Aeronautical Medal
512:Order of the Sword
458:Lieutenant colonel
356:
316:Michał Goleniewski
1151:Svenska Dagbladet
1145:"Legion of Merit"
1089:www.finngraven.se
986:"Aktuellt 1973".
863:An Agent in Place
859:Whiteside, Thomas
807:Svenska Dagbladet
563:(15 January 1958)
388:Supreme Commander
384:sentenced to life
240:Swedish Air Force
190:Swedish Air Force
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142:Swedish Air Force
16:(Redirected from
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559:Officer of the
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395:Stig Synnergren
364:Riksbron Bridge
350:Wennerström in
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312:Henry J. Taylor
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176:(1938–47)
166:Other work
153:1948–1963 (Spy)
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1156:. Retrieved
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1126:. Retrieved
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1097:. Retrieved
1093:the original
1088:
1079:
1067:. Retrieved
1065:(in Swedish)
1060:
1050:
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1023:15 September
1021:. Retrieved
1019:(in Swedish)
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971:15 September
969:. Retrieved
955:
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812:. Retrieved
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750:. Retrieved
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595:Bibliography
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293:Soviet Union
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249:aide-de-camp
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236:Swedish Navy
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202:Soviet Union
185:
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129:Soviet Union
93:(2006-03-21)
1344:2006 deaths
1339:1906 births
1158:1 September
1062:Aftonbladet
1016:Aftonbladet
933:West (1982)
921:West (1982)
894:West, Nigel
752:13 February
441:(Air Force)
372:Kungsholmen
328:Air Attaché
322:to the US.
318:, who then
258:air attaché
63:"The Eagle"
60:Nickname(s)
1333:Categories
1128:24 January
1099:13 January
1069:13 January
697:References
439:Lieutenant
336:film rolls
224:Norra Real
208:Early life
105:Allegiance
74:1906-08-22
52:Birth name
996:0343-6993
861:(1983) .
419:Djursholm
415:Enebyberg
376:Djursholm
214:Stockholm
204:in 1964.
198:espionage
151:1929–1963
81:Stockholm
896:(1982).
680:See also
320:defected
136:Service/
100:, Sweden
98:Danderyd
83:, Sweden
1310:8178136
1293:7151201
1222:1243537
1201:7247413
966:8264634
845:9649168
814:10 June
672:1387091
655:1417971
638:1422397
621:7143825
542:Foreign
475:Swedish
464:Colonel
462:1951 –
456:1946 –
450:1944 –
446:Captain
444:1939 –
437:1936 –
430:1929 –
399:paroled
392:General
305:Germany
194:treason
183:Colonel
161:Colonel
1308:
1306:SELIBR
1291:
1289:SELIBR
1281:
1262:732063
1260:
1258:SELIBR
1237:
1220:
1218:SELIBR
1199:
1197:SELIBR
1189:
994:
964:
962:SELIBR
904:
869:
843:
841:SELIBR
670:
668:SELIBR
653:
651:SELIBR
636:
634:SELIBR
619:
617:SELIBR
609:
495:(1948)
434:(Navy)
288:Draken
262:Moscow
230:Career
138:branch
126:
117:Sweden
114:
1273:[
1252:[
1212:[
1181:[
835:[
784:[
452:Major
286:Saab
131:(Spy)
1279:ISBN
1235:ISBN
1187:ISBN
1160:2022
1130:2022
1101:2017
1071:2017
1025:2017
992:ISSN
973:2017
902:ISBN
867:ISBN
816:2024
754:2017
607:ISBN
368:SÄPO
196:for
158:Rank
88:Died
68:Born
1041:",
297:GRU
260:in
252:to
222:at
172:to
170:ADC
1335::
1287:.
1195:.
1148:.
1120:.
1109:^
1087:.
1059:.
1013:.
954:.
940:^
881:^
762:^
746:AP
744:.
738:.
727:^
615:.
390:,
1312:.
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1037:"
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72:(
20:)
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