The FBI is using Sabre, the biggest of three firms that store a majority of the world's travel info, to spy on suspects' movements through sealed court orders (Thomas Brewster/Forbes)

Thomas Brewster / Forbes:
The FBI is using Sabre, the biggest of three firms that store a majority of the world's travel info, to spy on suspects' movements through sealed court orders  —  American border patrol already has significant surveillance powers and collects vast amounts of data on who is flying into and out of the country.