His lips tighten a bit on one side. "Yes, well, the one I knew wasn't exactly above getting his hands dirty either," he says in a tightish voice. This time it's his whole right hand that twitches, once, before he folds it up stiffly. "However, he did understand that there was a utility ceiling to the use of aversive techniques in interrogation." He nods about the Ministry, and asks with interest, "Did you? How did that run?"
"Nearly," he agrees blandly.
"To begin collecting isn't to stop everything else," he points out. "Do you remember, for example, whether there was a significant absence of green in the castle during the first and last evenings of the weekends?"