McGavin cried out and Xavier even let him reach out a hand to his dead wife as she fell to the floor.
Stepping back, he pointed his own wand and repeated the curse. The flash of green made him smile a little, though he wasn't usually one who really got off on the killing. Unlike some he could name. He didn't mind it, however, especially with putting down specific Mudbloods, like this.
The sudden silence was quite nice, even if the scent of death wafted up to his nose. Time to be going then. "It was lovely working with you, Bellatrix. As always, you're delightful to watch."