Yes, the NKVD was noted for not doing anything ever on Saturdays due to so many of their staff observing the Shabbat, weren't they?
Also, there were groups of pre-war Polish citizens including Jews and, to a lesser extent, the Ukrainian and Belarusian nationalists, who saw the Soviet NKVD presence as an opportunity to start political and social agitation. Many of them committed treason against the Polish state by assisting in round ups and executions of Polish officials.[
en.wikipedia.org/wiki/Soviet_repressions_of_Polish_citizens_(1939%E2%80%931946)
There is no point in engaging you in any further conversation Harry, you have your own version of history and anti Polish agenda to promote.
Out of respect for the title of this thread I will say no more on the matter,
Let those who died in Treblinka at the hands of the Nazis never be forgotten.