[Somehow he always falls for her explanations... maybe it's because it makes so much sense that if she could make ghosts she'd long have haunted his ass. He finally lowers his voice a little too.]

So you're after that big one too? Did you see where it went? Oh wait, you can't see them, can you... unless it wasn't a ghost but something else?

[For better or worse, now she's stuck with a gullible cop who thinks they're ghost-hunting. Also he's not removing that twig; he needs any smidgen of comic relief he can get in this spooky night.]