 Posted to Berlin, Buchardt now headed Amt III B 2 of the RSHA, which specialized in racial and ethnic matters.He was under the command of Otto Ohlendorf, who headed Amt III.From December 1944, Buchardt also headed "Sonderkommando Ost", which gathered intelligence on Russian personnel living in German territory, including members of General Andrey Vlasov's collaborationist Russian Liberation Army.