Used to be? [ akechi looks a little scandalized!!!!! he's a detective, he can't just work with a murderer, gosh. not that he'd ever murder anyone himself. he'd never do such a thing. clearly. ]

Well, I guess I can't get caught up on such things if I'm expected to fight a war..... I don't exactly have any authority here as a detective, either. [ so it's not like he can arrest her based on a comment about her past or the water spirit ] You may be onto something. I wonder if anyone has tried basic communication with it.