The Russians have a long history of shooting their own men who get captured as “traitors”.
In one of the most shameful and poorly known episodes of our history, the US and the UK transported Russians gathered up in Europe after WWII back to Russia. The deal was made with Stalin to bring them back. Many of these same people were shot within hearing distance of the US and British ships that had transported them. It’s name was appropriate - Operation Keelhaul.