Istnieje też opinia, że dla Stalina i jego otoczenia zabójstwo polskich oficerów było kontynuacją czerwonego terroru czasów wojny domowej i wielkiego terroru, więc miało to charakter klasowy, a nie narodowyClaudia Weber The export of terror—on the impact of the Stalinist culture of terror on Soviet foreign policy during and after World War IIIn fact, what happened in Katyn was a routine operation of class cleansing, that the Stalinist regime had practiced on a regular basis in the Soviet Union, where it was completed by the end in 1938. Since the eastern part of Poland was occupied by the Soviets in 1939, now it was the turn of the Polish "alien" classes to be cleansed and eradicated //Andrei A Znamenski Socialism as a Secular Creed: A Modern Global HistoryPublisher: Lexington Books (January 29, 2021) 2001 p.123Viktot Zaslavski. Class Cleansing: The Massacre at Katyn. Telos Press Publishing (December 1, 2008) They were shot in the back of the head and buried in various locations in Russia and the Ukraine as part of his attempt to implement “class cleansing” in Poland.//Vanessa Fredericks Remembering Katyn: Mourning, Memory, and National Identity.