Did Stalin kill all of the Soviet officers involved in the Winter War, when it ended?
A documentary called "Warlords: Hitler vs Stalin" made this claim, but Wikipedia doesn't seem to mention this.
Actual quote from the film:
Finally, the Finns were beaten, but not before killing 125,000 Russian soldiers. Stalin sent in his political komissars to shoot the Soviet commanders, but the real fault was his own.
Since there was no reference to any specific commanders, the sentence implies some punitive systematic killing of Soviet commanders.