In February 1933, after the revolutionary take-over of the German state by Adolf Hitler with the Enabling Act of 1933, Freisler was appointed as the Director of the Prussian Ministry of Justice.
Freisler's mastery of legal texts, mental agility, dramatic court-room verbal dexterity and verbal force, in combination with his zealous conversion to National Socialist ideology, made him the most feared judge in Germany during the Third Reich, and the personification of Nazism in domestic Law.