[Simon appears to consider all this for a moment, weighing his options. He's mostly considering everything Lucy is saying with a grain of salt--there's obviously some bias here, but that doesn't mean she doesn't know what she's talking about.]

I don't think he's been in, at least not to see me.

[He rubs his chin in apparent thought.]

You seem to know a good deal about them. Maybe you could help me tell the difference.