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... A bipartisan group of 12 senators has urged the Transportation Security Administration's inspector general to investigate the agency's use of facial recognition, saying it poses a significant threat to privacy and civil liberties.

Their letter comes just before one of the busiest travel periods of the year when millions of Americans are expected to pass through the nation's airports.

"This technology will soon be in use at hundreds of major and mid-size airports without an independent evaluation of the technology's precision or an audit of whether there are sufficient safeguards in place to protect passenger privacy," the senators wrote.

The letter was signed by Jeffrey Merkley (D-OR), John Kennedy (R-LA), Ed Markey (D-MA), Ted Cruz (R-TX), Roger Marshall (R-Kansas), Ron Wyden (D-OR), Steve Daines (R-MT), Elizabeth Warren (D-MA), Bernie Sanders (I-VT), Cynthia Lummis (R-WY), Chris Van Hollen (D-MD), and Peter Welch (D-VT).

While the TSA's facial recognition program is currently optional and only in a few dozen airports, the agency announced in June that it plans to expand the technology to more than 430 airports. And the senators' letter quotes a talk given by TSA Administrator David Pekoske in 2023 in which he said "we will get to the point where we require biometrics across the board."

"While the TSA claims facial recognition is optional, it is confusing and intimidating to opt out of TSA's facial recognition scans, and our offices have received numerous anecdotal reports of Transportation Security Officers (TSOs) becoming belligerent when a traveler askes to opt out, or simply being unaware of that right," the senators wrote. They added that in some airports the signage instructing flyers to step in front of a camera is prominently displayed while signs advising passengers of their right to opt out of face scan is "strategically placed in inconspicuous locations." ...