[Not even a word about what he'd done. Getting him to say yes without telling him that there was an angel inside. Sam frowns, but doesn't start with that rather unhappy lump of emotion.]

Cas said it was his fault that Lucifer got into Eden in the first place. He'd been in prison since the beginning.

He also.. he killed Kevin, Dean. He killed him and I remember the whole thing. [Just as sure as if he'd done it himself.]