“So . . . whoever conjured the Dark Mark . . .” said Hermione slowly, “were they doing it to show support for the Death Eaters, or to scare them away?” “Your guess is as good as ours, Hermione,” said Mr. Weasley. “But I’ll tell you this . . . it was only the Death Eaters who ever knew how to conjure it. I’d be very surprised if the person who did it hadn’t been a Death Eater once, even if they’re not now. . . .
