[He lifts a hand, counting off on his fingers.]

Not all of us were made to sleep, and whatever they gave us was powerful enough to ensure light sleepers like myself didn't awaken at any noise. [Which is pretty fucking hard, considering the other people who were in the room with him.] Tamaki, and Beauregard--or whoever, if we're to believe their words--apparently had free rein of the place throughout the night.

[He drops his hand with a sigh.]

And the rest of the pieces of the puzzle are almost certainly being withheld.