When the crusaders reached Adrianople, they kept to the route through the city set for them. But a rich German noble fell ill and had to be hospitalised with his possessions in a monastery. Some villainous Byzantines attacked the monastery and burned it down, killing all inside but gaining the money. Conrad sent Frederick of Swabia to exact revenge: the guilty were executed. Manuel I's commander on the spot, Prosouch, had been shadowing the crusaders at a distance, but now intervened with calming words and force where necessary to bring the situation under control [Choniates emphasises his words, Kinnamos the force]. The Germans learned greater respect for the locals