Oh crap. Raven stops dead in her tracks and looks so completely and obviously guilty, mentally berating herself for not being careful enough. First line of defense is to see if she can convince the guy he didn't see what he thought he saw, though, so she immediately turns a sweet if slightly confused smile on him.

"Did I just what? Um...door was unlocked." See, just a little harmless trespassing, absolutely nothing interesting going on here.