In the past, it might have made him freeze up even more, but it's been several years now since the Department of Magical Law Enforcement had had any questions for him. His entire demeanor changes from politely distant to sharply concerned.

"Yes, of course, come in. Has something happened to a student?" he asks, rising from his desk and waving Auror Hawkins into the office, drawing his wand to flick a wordless spell at the kettle. "Nothing relating to my mother, I trust."