In 2014, Müller was charged by the Ministry of Social Affairs Rheinland Pfalz with the development of appropriate quality indicators; by the Ministry of Justice of Austria, he was involved as a member of the working group "dangerousness" in the reform of the law.
In 2014, Müller was charged by the Ministry of Social Affairs Rheinland Pfalz with the development of appropriate quality indicators. By the Ministry of Justice of Austria, he was involved as a member of the working group "dangerousness" in the reform of the law.