Quiet Skies: Air Marshals are following thousands of random Americans through airports and on planes, for no articulatable purpose

Federal Air Marshals are furious that they have been tasked to follow thousands of Americans who are not on any watch-list and not suspected of any crime; they shadow these people (who are selected for surveillance on the basis of flimsy criteria like once having visited Turkey) and send minute-by-minute updates to the TSA, noting whether their targets are sleeping, using more than one phone, waiting until the last minute to board their planes, observing boarding areas from a distance, and other innocuous behaviors. (more")