Gawain looked over at Savage. "Indeed, we're all not," he said, putting down his sandwich. "And if we did that, it would be an invasion of privacy, not to mention against several privacy regulations concerning Ministry personnel files."
He sat back, wiping his hands on a paper napkin. They were getting unobtrusive looks, which he blandly returned. It wasn't so strange for a table from a department to use the charm. Not really, anyway. Hell, even Bagman used it when he was planning one of his poker tournaments.
"Still, we watch and we wait for someone to out themselves, and then we investigate, gathering evidence until we have enough to make an arrest." The system wasn't perfect, he had to admit, but it worked, when it was allowed to. Usually.