[He's backed up against the wall; consciously or unconsciously, he's run himself into a situation he can't escape from. Turning to look at Horatio, he gives a wretched look, then a sneer, then just grins. It's as though he can't decide how to react, as though he's being picked apart from the inside out.]
Spam!
I still don't believe you.
So what are you gonna do about it?