"Just answer one question first," you ask. "What was that whole mess back at Westfall's border with the wagon?" There is a short pause. When the shadowy figure speaks, she sounds surprised. "Oh, that?" she says. "I did that." The Admiral sounds more surprised. "You did?" he says. "Why?" "I had no choice," she says. "The only people in the world who knew I existed recognized my face from when I was an infant."
While she's distracted, kill her. Ask who she is.