Airport and U.S. Customs and Border Protection (CBP) officials said last week that some scanners using facial biometrics are installed and operating at the airport, with 25 boarding gates in all used for international flights to be equipped. That will bring the airport toward compliance with a congressional mandate following Sept. 11, 2001, to biometrically record all foreign nationals entering and exiting the United States. Canadian citizens are excluded.
Biometric screening is already mandatory for travelers who are not U.S. citizens — known as foreign nationals — entering the U.S. in a process that the CBP calls "simplified arrival."
" U.S. citizens can voluntarily participate in the process, but are not required," Heather Redfern, a spokeswoman for PHL, said of the exit screening. The scanned photos of U.S. citizens would be deleted within 12 hours.
However, the facial recognition scans of non- U.S. citizens will be stored in a database. Travelers who do not have a U.S. passport can now opt out by notifying a CBP officer or airline or airport representative. Their documents will be checked manually. But eventually, it's expected that passing through biometrics will be mandatory.
Stopping Impostors
"The safety and security of our passengers and airport employees are our top priority and require a collaborative effort by the City of Philadelphia Department of Aviation, the U.S. Department of Homeland Security, and our airline partners," PHL chief operating officer Keith Brune said in a statement.
He said the system "will make the screening process more efficient for everyone and is especially important as international travel continues to grow post-pandemic."
Stephen Sapp, a spokesman for CBP, said the technology is already in use for travelers who are not U.S. citizens at 33 U.S. airports. It is also in use at border crossings and seaports. In all, he said, more than 252 million travelers have already been through facial biometrics.
Sapp said the biometrics, as of now, are part of a pilot program with airports and airlines for travelers who are not U.S. citizens leaving the country. The CBP still needs to write a regulation that would make biometrics mandatory and usher it through the approval process. There is no firm date when that might happen.
And, for at least the near future, biometrics remain optional for U.S. citizens.
Joseph Martella, CBP's director for the Area Port of Philadelphia, said facial biometrics has "prevented more than 1,650 impostors from illegally entering the country."
Officials at PHL began experimenting with face scanning in 2020 for international gates A15, A16, and A17 to determine which of several types of technology worked best.
As a result, face scanning is already underway in Philadelphia at 10 gates, A7 through A17. The biometric technology will be installed at 10 more gates mid-January through February. Scanners will be installed at the remaining five gates in late March through mid-April.
The CBP will be using technology developed by SITA Smart Path and NEC.
Privacy Concerns
As the airport began its testing in 2020, privacy advocates feared bias, inaccuracy, and potential misuse of the information collected.
"Automation in the boarding process makes sense in the efficiency and economic standpoint," Michael Kearns, a professor at the University of Pennsylvania who specializes in machine learning, algorithms, and their biases, told The Inquirer in 2020. "But this also means that much more data about us will be logged."
CBP is also installing facial biometric matching service that airlines, airports, and the Transportation Security Administration can access to verify travelers' identities, including at check-ins, bag drops, security checkpoints, and at boarding. Officials say the system streamlines what can sometimes be a slow process.
As a result, the Transportation Security Administration is testing the facial recognition technology on a wide scale for U.S. citizens, too. The Washington Post reported in December that the TSA has installed the technology at 16 major domestic airports with kiosks that will check the photos on travelers' IDs to make sure they're not impostors and help with efficiency. The TSA program is voluntary for travelers.
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