総統大本営
In late 1942 Wächter visited the “Reichskommissariat Ukraine” (eastern Ukraine) to witness first hand the effect of the implementation of the Nazi "Untermensch" (subhuman) philosophy by Gauleiter Erich Koch and his policies of repression and subjugation. On his return in December 1942 he sent a secret ten page letter to Martin Bormann in the Führer Headquarters in Berlin, criticizing the serious mistakes made in the handling of the Ukrainians.