[Thanks to your EXPERT INTERROGATION TECHNIQUES, the troublemaker begins squirming uncomfortably within a mere THIRTY SECONDS. Is that the scent of an impending confession you smell? OH, YOU THINK SO. But not just yet. Perhaps she needs more... persuasion.]

A. Slap her around a bit. Or a lot. Either works.
B. Call for a witness!
C. Keep staring. Creepily.
D. Keep staring. Lovingly, into Vriska's eyes, despite the fact that you can't see and this is all incredibly silly.