Feds using eye scans, facial recognition to verify identities of foreigners at border

The federal government announced Thursday that it is using eye scans and facial recognition technology for the first time to verify the identities of foreigners leaving the United States on foot at a busy San Diego border crossing with Mexico — the latest move to close a longstanding security gap.

Border officials in December started collecting the same information on non-citizens walking into the U.S. through the checkpoint connecting Tijuana and San Diego. The checkout system that launched Feb. 11 aims to ensure those who enter the country leave on time and identify those who stay after their visas expire. Up to half of the people in the U.S. illegally are believed to have overstayed their visas.

Congress has long demanded biometric screening such as fingerprints, facial images or eye scans from people leaving the country, but the task poses enormous financial and logistical challenges. Privacy advocates worry the data could be misused or fall into the wrong hands.

Before now, foreigners who left the country were rarely checked by authorities before walking into Mexico or Canada at ports of entry. Cameras have started photographing the eye and facial features of non-citizens leaving the country through the Otay Mesa port of entry to verify their identities on their documents.

Authorities are using the trial runs to determine which technology — face or eye scans — is the fastest, most accurate and least intrusive in screening people coming and going at all land crossings along the 1,954-mile border with Mexico. Final results are expected this summer, with the goal of expanding the checks to all land, air and sea ports.

"That's what we want to be able to do, is know when the person entered the country and know when they leave," said Charmaine Rodriguez, assistant port director of the Otay Mesa cargo facility.

Foreigners checked at the border who have overstayed their visas will be allowed to continue on to Mexico, with a note on their record, Rodriguez said. Those with criminal records or warrants could be detained.

Federal officials say they will not share or retain the data collected in the trial runs, but it is not clear how the information will be used if the program is adopted borderwide.

Jay Stanley, a senior policy analyst at the American Civil Liberties Union, said the data will be increasingly shared with different agencies once it becomes the norm at checkpoints. More countries also may start using the technology on Americans to build their own biometric databases.

"Certainly experience has shown how difficult it is to secure databases," he said.

Others fear the additional screening will further clog already-congested border crossings, disrupting trade and travel. Officials say the checks so far have only added about a minute to individual crossing times.

Otay Mesa was selected because it is one of the busiest border crossings and authorities wanted to see how the technology, used in airports with controlled lighting, performs in a rugged, outdoor environment. Some 6,000 people leave the United States on foot through the port of entry every day, while about 9,000 pedestrians enter the country through the checkpoint daily.

The equipment comes from New Jersey-based Iris ID, which says eye identification has proven to be more accurate than fingerprints and can be used by people wearing glasses or contact lenses. Iris ID has provided its technology to foreign governments for everything from immigration checks in Qatar to voter registration verification in Africa, company President Charles Koo said in a statement.

U.S. border officials are trying three different approaches. Some foreigners will be directed to walk by cameras that will scan the eye and face simultaneously. Others will be asked to pause and look into a camera, and a third group will put their travel documents on a reader at a kiosk and look into a camera positioned at arms' length.

Americans walking into Mexico will use a separate lane at the California crossing with scanners that collect biographic information, including name and birth date, but not biometrics. For now, the trial run will focus only on foreigners but it's uncertain in the future whether the program would expand to U.S. citizens.

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