Author: Atarah al'Norahn
When Thom stops Mat in the hallway to tell him that the gholam has killed again, Mat looks around to see if anyone is trying to listen in, and sees Narvin. Narvin blinks when he sees Mat looking around, and frowns. In return, Mat smiles disarmingly and Narvin walks away scowling.
(Reference: Winter's Heart, Chapter 28)