Airport face scans raise privacy concerns

HARI SREENIVASAN, PBS NEWSHOUR WEEKEND ANCHOR: Sometime soon, you could have your face scan as you board an overseas flight. It’s already being tested at a handful of American airports with two airlines, Delta and JetBlue, directly participating. The Department of Homeland Security sees the system as a tool to catch immigrants overstaying their visas.

But as the program expands, it will take photos not just of foreigners but U.S. citizens as well. This raises security, accuracy and...

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