Millicent didn't mean that she'd purposefully done something wrong. But for someone to do the magic to impersonate her, they had to have gotten close to her somehow, right? Observed her, at least, to be able to do it convincingly, regardless of what kind of magic they'd used. If she'd accidentally let someone untrustworthy close enough to be able to get away with it...
Fuck, she was angry. But Fletcher, at least, seemed to believe that her loyalty was in the right place and she was not to blame. That was something, at least. "Right," she said. Unsure how to end the conversation, she growled to herself, straightened her back, and opened the door. "I'll be waiting to hear from you, then."