Don't apologize. The human mind is incredibly adept at fabricating images from fears and memories that are worse than both. It isn't your fault.

[He'd know better than anyone.

... Also this is supposing that was fabricated and not more memory than fear, which is a possibility he has considered and quickly set aside. Because. Yikes. And anyway, with the way Elsa spoke about her parents the last time they touched on this subject, they were misguided perhaps but not murderous.]