[That's not the answer he'd have expected, all things considered. He raises an eyebrow, then:]

The two of you killed one person without a second thought already; I thought you might have killed him next for what he did to your sister. At least the second murder would have had a motive.

[A shrug; he pushes his glasses up the bridge of his nose, looks around again.]

You know, in one of these memories I stepped in rotting viscera? I'd rather go back to that one.