Index of Ensign probe documents to go to watchdog group (0) A watchdog group said Monday it won a "major victory" in its effort to obtain documents in the U.S. Justice Department's John Ensign sex scandal investigation. 2008 file photo. (UPI Photo/Roger L. Wollenberg) | License Photo WASHINGTON, Aug. 26 (UPI) -- A watchdog group said Monday it won a "major victory" in its effort to obtain documents in the U.S. Justice Department's John Ensign sex scandal investigation. U.S. District Judge John Bates ruled Friday the Justice Department must provide an index of documents in the case involving the former Republican senator from Nevada and explain why each is being withheld from Citizens for Responsibility and Ethics, a Washington advocates group that was rebuffed by several government agencies.