Juilin Sandar
Chapter 48 - Following the Craft
Juilin — aliases: thief-catcher, Juilin Sandar
Described by Ailhuin Guenna as the most dangerous man she knows and the best thief-catcher in Tear, Juilin is introduced as the person who will be hired to find the Black Ajah sisters and retrieve their stolen belongings.
Chapter 49 - A Storm in Tear
Sandar / Juilin — aliases: thief-catcher, Master Sandar
Juilin negotiates his fee with Nynaeve, accepting thirteen silver marks to find the thirteen women. He listens to their descriptions, acknowledges the danger of the Darkfriends, and departs to begin his search, warning that he will be summoned by the High Lords soon.