Cass sighed. The same question as Lupin had asked, though now asked professionally.
'Nothing yet, other than a suspicion that it could be Bellatrix Lestrange,' he said, careful not to mention that it was only what Dora thought. Not while she was in the room.
'Perhaps it's best the two of you go to the living room, or outside,' he suggested. 'We'll let you know when we're done.'