Tsillin Wel, a Quarren employed by New Republic Intelligence, focused her efforts on monitoring financial accounts utilized by Imperial Intelligence for compensating their network of operatives, including spies and other associated personnel. In 7 ABY, she was called upon to provide testimony during the trial of Tycho Celchu on Coruscant, where he faced charges of treason and murder. Her testimony centered on the fifteen million credits deposited across six different accounts, purportedly owned by Tycho, which were intended to portray him as a traitor working for Ysanne Isard.