http://en.wikipedia.org/wiki/Katyn_massacreFrom 28 December 1945 to 4 January 1946, seven servicemen of the German Wehrmacht were tried by a Soviet military court in Leningrad. One of them, Arno Diere, was charged with helping to dig the Katyn graves during the execution. Diere, who was accused of murder using machine-guns in Soviet villages, confessed to having taken part in burial (though not the execution) of 15-20 thousand Polish POWs in Katyn. For this he was spared execution and was given 15 years of hard labor. His confession was full of absurdities, and thus he was not used as a Soviet prosecution witness during the Nuremberg trials. In a note of 29 November 1954 he recanted his confession, claiming that he was forced to confess by the investigators. Contrary to a number of claims[56] of all the accused during the Leningrad Trial, only Diere was accused of a connection to the Katyn massacre.[57]
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56. Montréal Gazette, Canada, 5 November 1990. "Germans Hanged for Katyn" and Letter published in Anzeiger der Notverwaltung des Deutschen Ostens, No.5, Sept./Oct. 2005., Retrieved on 16 November, 2006.
57. (Russian) I.S.Yazhborovskaja, A.Yu.Yablokov, V.S.Parsadanova, Катынский синдром в советско-польских и российско-польских отношениях, Moscow, ROSSPEN, 2001, pp. 336, 337.
The Russian-language text given in footnote 57 can be seen at http://katynbooks.narod.ru/syndrome/Doc ... er_05.html
Diere's name is also rendered as Duere and Durer.