 Complete the following phrase:  The Order, under a Prussian Landmeister Heinrich von Plötzke, evicted the Brandenburgers from Danzig in September 1308 but then refused to yield the town to the Poles, and according to some sources massacred the towns inhabitants; although the exact extent of the violence is unknown, and widely recognized by historians to be an unsolvable mystery. The estimates range from 60 rebellious leaders, reported by dignitaries of the region and Knight chroniclers, to 10,000 civilians, a number cited in a papal bull of dubious provece that was used in a legal process installed to punish the Order for the event; the legal dispute went on for a time, but the Order was eventually absolved of the charges. In the 