NSA is not a law enforcement organization, and the national security need to keep NSA processess, techniques, tools, and practices as secret as possible is a po

NSA is not a law enforcement organization, and the national security need to keep NSA processess, techniques, tools, and practices as secret as possible is a powerful motivator to keep any traces of NSA capabilities far away from the legal discovery process of a courtroom. Parallel discovery is possible, but do you think the NSA is eager to risk tipping their hand to Russia just over some nobody's CCTV footage? I'm not that important.