The Polish army surrenders to the Germans and the Soviets. Stalin orders the execution of 20,000 Polish prisoners and 4,500 Polish officers, with a bullet in the head.
In the south, Guderian finally receives the order from Hitler to rejoin the other armies up...
(03:08)Himmler and Heydrich set up execution commandos called Einsatzgruppen that are composed of SS...
(03:09)