Updated at 4:03 p.m. ET
Some Americans have been trailed and closely monitored by undercover air marshals as they traveled on U.S. flights, as part of a previously undisclosed Transportation Security Administration program called Quiet Skies. The marshals take notes on the targeted traveler’s behavior, sending detailed reports to the TSA.
The existence of the program was first reported Saturday by the The Boston Globe, citing an internal TSA bulletin from March as well as anonymous sources within the department. The document leaked to the Globe says the program specifically targets travelers who are not on terrorist watch lists and are not under investigation by any agency.
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