After tucking her hair into her hood, she put on her own mask. "Wands at the ready, Mr. Cadwallader, we have Mudbloods to chastise." She led the way down the ridge into a small valley that widened abruptly into a large one filled with those dreadful, soulless, cookie cutter houses the Muggles were so fond of building.
As she entered the backgarden of the nearest house, she cast a series of anti-Muggle spells. It simply would not do to have her mission interrupted by those please-men.
"The creatures that live in this hovel have dared to protest their child's rightful expulsion from Hogwarts hallowed halls. The letters have become tiresome. I have been asked to silence the problem in such a way as to be an object lesson."