Talk:Ken Kaneki/@comment-78.181.251.178-20150923162304/@comment-25047329-20150923171033

I think they at the very least knew he was cannibalizing. Kaneki didn't summon his kakuja until towards the end of the series, so they probably didn't know for sure. They might have suspected he might have been one, but I don't know when they would have confirmed it.