Would they have to be lying? They could say with total truth that they haven't gotten any search warrants because a national security letter is not a search war

Would they have to be lying? They could say with total truth that they haven't gotten any search warrants because a national security letter is not a search warrant of any kind. It's an administrative subpoena. Search warrants have to target something specific. They've got very little to do with a national security letter authorizing the state to take every last scrap of data in real time "Room 641A" style