As presiding judge of the 3rd criminal division, he ruled under the Rassenschande paragraphs of the Nuremberg Laws. He also was involved in retroactively legalizing the "euthanasia" murders of the Aktion T4 programme in 1939–1941.
The presiding judge of the 3rd criminal division ruled under the Nuremberg Laws, which were designed to enforce racial purity, and was involved in legalizing the "euthanasia" murders carried out by the T4 program.