Fred shook his head, keeping his voice down as well as his immediate gaze. "I've no idea," he admitted, simply. It was definitely extraordinarily dangerous to be talking about this in public, at all, and even if he did know - which he didn't, he was being honest - it wasn't very likely that he'd admit it in the middle of the Alley. Still, this was Katie, and he knew, instinctively, that she could be trusted as much as could be during wartime. So after a second, he leaned into the counter, closer to her, and dropped his voice even lower still, "They know what they're doing, though. They've got to, haven't they?"