Peter wished he knew. By all accounts it didn't make sense. Maybe they'd tried to use him, and it hadn't succeeded; that was all he could think of at the moment. An uglier thought was that they'd used him as a sleeper agent, and even now he'd done something he couldn't remember which would hurt the people he cared about.
"Anyway, I just now realised it was going on," he said, "so the spell must be off me, so - it was probably a Death Eater, right? Was anybody killed these last couple of days while the DMLE has been tracking them down? I know you can't actually give me names if they haven't been released publicly, I'm just asking you to - look into it, okay? The people who've been caught, the ones who got away and might've died, the ones who did die..."