The Department of Homeland Security is now using the data to track foreigners overstaying their visas, according to the Times. “After passengers’ faces are scanned at the gate, the scan is sent to Customs and Border Protection and linked with other personally identifying data, such as date of birth and passport and flight information.”
But the face scans are collected by independent companies, and Border Protection officials insist they have no control over how that data gets used.
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