Deena Riss was a Human female agent of the Republic Strategic Information Service during the Galactic War between the Galactic Republic and the Sith Empire, when she worked to track down the notorious spymaster known as the Shroud. Upon learning that the Shroud was planning something big, Riss recruited a Republic agent and provided them with the Shroud's own EV2 discreet reconnaissance macrobinoculars to track down relays and Shroud agents throughout the galaxy. Gathering intel from the Shroud's bases on Coruscant, Quesh and Belsavis ultimately reveal that the Shroud had planted a hyperspace beacon in Galactic City, which would pilot a dreadnaught pass the orbital defenses and have it crash into Coruscant. The Republic agent subsequently pursued the Shroud to his base on Nar Shaddaa and k