"Rather, it collects locations in bulk because its most powerful analytic tools — known collectively as CO-TRAVELER — allow it to look for unknown associates of known intelligence targets by tracking people whose movements intersect."

You were in the airplane with X so we may now personally inspect all of you.

"When U.S. cellphone data are collected, he said, the data are not covered by the Fourth Amendment, which protects Americans against unreasonable searches and seizures."

The next step is where the federal government declares all state's grounds to be in full ownership of a private company, so that all land is now effectively foreign and no citizen's rights apply to citizens anymore. An American abroad is not an American. That's an official view.