[1] During November 1941, reports he sent to Adolf Eichmann state that he was responsible for the deaths of 17,256 people in Smolensk.

Under his command, he admitted that his Einsatzgruppe possessed three gas vans which "were used to exterminate human beings".

[2] From September 1943 to July 1944, Naumann was the commander of the Sicherheitspolizei (Security Police; SiPo) and SD in the Netherlands.

During the proceedings he repeatedly stated that he did not consider his actions during his tenure as commanding officer of Einsatzgruppe B wrong.

[2] When asked on the witness stand whether he saw anything morally wrong about the Führer's orders, he replied specifically that he: "No, your Honor, I considered the decree to be right, because it was part of our aim of the war and therefore it was necessary.