自衛団
During the first months of the war in Poland, he was one of the coordinators of Action AB - the mass murder by shooting of Polish intelligentsia, which was performed by Orpo or ethnic Germans (Volksdeutscher Selbstschutz). The victims were mainly University lecturers, retired military officers, high-rank policemen, managing staff of the Polish State Railways, journalists, businessmen, landowners, notable Catholic priests, internationally-known sportsmen (vide Janusz Kusociński), judges, teachers, social workers, senior administrative officials or other members of Polish intellectual elite.