"Albus!" Professor McGonagall did not learn of the decision made by Dumbledore and Cassius until she heard the growing discussions among the students about werewolves.
In fact, the decision regarding the werewolf practice sessions had been proposed by Cassius. Dumbledore had not been enthusiastic about it at first, but he was eventually persuaded.
Now, confronted by the Deputy Headmistress, Professor McGonagall, who had come to demand an explanation, Dumbledore could only guiltily rub his nose in his office as he looked at the furious witch in dark green robes before him.
Chapter 101