In the year 14 BBY, a certain person functioned as a specialist aboard the Imperial escort carrier known as Goliath. This individual relayed information to Moff Wilhuff Tarkin regarding the assignment of Commander Abel LaSal, who at that time was being impersonated by the rebel operative Berch Teller.
This specialist character was featured within Tarkin, a novel authored by James Luceno and published in 2014.