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United States Customs and Border Protection is asking tech companies to send pitches for a real-time face recognition tool that would take photos of every single person in a vehicle at a border crossing, including anyone in the back seats, and match them to travel documents, according to a document posted in a federal register last week.
The request for information, or RIF, says that CBP already has a face recognition tool that takes a picture of a person at a port of entry and compares it to travel or identity documents that someone gives to a border officer, as well as other photos from those documents already “in government holdings.”
“Biometrically confirmed entries into the United States are added to the traveler’s crossing record,” the document says.
An agency under the Department of Homeland Security, CBP says that its face recognition tool “is currently operating in the air, sea, and land pedestrian environments.” The agency’s goal is to bring it to “the land vehicle environment.” According to a page on CBP’s website updated last week, the agency is currently “testing” how to do so. The RIF says that these tests demonstrate that while this face recognition tool has “improved,” it isn’t always able to get photos of every vehicle passenger, especially if they’re in the second or third row.
“Human behavior, multiple passenger vehicle rows, and environmental obstacles all present challenges unique to the vehicle environment,” the document says. CBP says it wants a private vendor to provide it with a tool that would “augment the passenger images” and “capture 100% of vehicle passengers.”
Dave Maass, director of investigations at the Electronic Frontier Foundation, received a document from CBP via public record request that reveals the results of a 152-day test the agency conducted on its port of entry face recognition system from late 2021 to early 2022. The document Maass obtained was first reported by The Intercept.
Maass said that what stood out to him were the error rates. Cameras at the Anzalduas border crossing at Mexico’s border with McAllen, Texas, captured photos of everyone in the car just 76 percent of the time, and of those people, just 81 percent met the “validation requirements” for matching their face with their identification documents.
The current iteration of the system matches a person’s photo to their travel documents in what’s known as one-to-one face recognition. The primary risk here, Maass says, is the system failing to recognize that someone matches their own documents. This differs from one-to-many face recognition, which police may use to identify a suspect based on a surveillance photo, where the primary risk is someone getting a false positive match and being falsely identified as a suspect.
Maass says it’s unclear whether CBP’s error rates primarily have to do with the cameras or the matching system itself. “We don’t know what racial disparities, gender disparities, etc, come up with these systems,” he says.
As reported by The Intercept in 2024, the DHS’s Science and Technology Directorate issued a request for information last August that’s similar to the one that CBP posted last week. However, the DHS document currently appears to be unavailable.
