 Complete the following phrase:  The guards included 50 SS men Schutzstaffel protection squadron and SS-Totenkopfverbände deaths head units housed in the dining room on the ground floor, and included many so-called ethnic Germans Volksdeutsche. The command leader was SS-Oberscharführer senior squad leader Ludwig Plagge, who was considered one of the most brutal and cruel SS men and was sentenced to death in the 