Xavier wasn't entirely sure he liked the orders coming out of Yaxley's mouth, but he nodded anyway. Being good at taking orders was essential and if he could ingratiate himself with Yaxley, as well as Bellatrix it would make things all the easier.
"I'll start on the Floos immediately, and we should see what the girls and boys in the Department of Mysteries can come up with us for Apparation. That sounds like just the type of thing that would interest them," he said, opening a file and scrawling a note to himself on a spare sheet of parchment."
Xavier's brows rose in reply to Yaxley's. "Perhaps, yes. We'd need to designate certain areas, of course. What are you thinking of? For the Ministry itself, for Diagon?" It was an intriguing idea. "Might do well to keep an eye on who, exactly, is coming into the Ministry. And those who are leaving. Be useful to know where and when they go when they leave here."