[ he just really hates the idea of having lived with a secret murderer, and really wants there to have been a reason... ]

I... I don't know. I mean... I'm going to tell them how trials and everything are actually supposed to work, because I'm the only one who can do that... s-so at least if anything else bad happens, it should go differently next time.

[ ... ]

I can't do anything about what already happened, though, can I?