that polish officers were killed by the nkvd, despite the facts and documents, the evidence of the burdenkais one of the most important documents, which seems to confirm and confirm our guilt, this note, it designated as beria's letter numbered: 794/2b dated march 5, 1940. interestingly, all four pages were typed on different typewriters, which alone casts doubt on the authenticity of this document. except moreover, on the title page there are signatures of stalin, voroshilov, molotov and mikayan. and these signatures were made with the pencil of one. council, it was this letter, along with other documents, that boris yeltsin handed over to the constitutional court, which also refused to accept them as genuine documents. listen to what deputy viktor ilyukhin says about this. on may 25 , 2010 , an unknown man called me on the phone and stated that he knew that a group of scientists, together with me... was conducting a study of the circumstances, related to the execution of polish officers, stated that he participated in a large group of specialists specializing in falsifying historical docu