WW II Woman, Red Army Sniper, highly decorated, disappeated height fighting WW II Eastern front.  Suspected of defection to Wermacht?  What happened tp her?

Rex Radford (Jon Tuttle)  Searched online Publications, U.S. National Archives, Major Bibliotheca, U.S. & NATO Military sources.  All possible records-files on SIPO KRIPO, NKVD operations and activities in German or Russian requiring fluency to interpret available microfilm.  Any History Hub Buffs interested or who might have researched this subject?