Immigration and Customs Enforcement (ICE) is using a new mobile phone app that can identify someone based on their fingerprints or face by simply pointing a smartphone camera at them, according to internal ICE emails viewed by 404 Media. The underlying system used for the facial recognition component of the app is ordinarily used when people enter or exit the U.S. Now, that system is being used inside the U.S. by ICE to identify people in the field.

The news highlights the Trump administration’s growing use of sophisticated technology for its mass deportation efforts and ICE’s enforcement of its arrest quotas. The document also shows how biometric systems built for one reason can be repurposed for another, a constant fear and critique from civil liberties proponents of facial recognition tools.

“The Mobile Fortify App empowers users with real-time biometric identity verification capabilities utilizing contactless fingerprints and facial images captured by the camera on an ICE issued cell phone without a secondary collection device,” one of the emails, which was sent to all Enforcement and Removal Operations (ERO) personnel and seen by 404 Media, reads. ERO is the section of ICE specifically focused on deporting people.

The idea is for ICE to use this new tool to identify people whose identity ICE officers do not know. “This information can be used to identify unknown subjects in the field,” the email continues. “Officers are reminded that the fingerprint matching is currently the most accurate biometric indicator available in the application,” it adds, indicating that the fingerprint functionality is more accurate than the facial recognition component.

The emails also show the app has a “training range,” a feature that lets ICE officers practice capturing facial images and fingerprints in a “training non-live environment.”

💡Do you know anything else about this app? I would love to hear from you. Using a non-work device, you can message me securely on Signal at joseph.404 or send me an email at joseph@404media.co.

A video posted to social media this month shows apparent ICE officers carefully pointing their phones at a protester in his vehicle, but it is not clear if the officers were taking ordinary photos or using this tool.

Broadly, facial recognition tools work by taking one image to be tested and comparing it to a database of other images. Clearview AI for example, a commercially available facial recognition tool which is used by law enforcement but which doesn’t appear to be related to this ICE tool, compares a photo to a massive database of peoples’ photos scraped from social media and the wider web.

For the facial recognition capability of this ICE tool, the emails say Mobile Fortify is using two government systems. The first is Customs and Border Protection’s (CBP) Traveler Verification Service. As part of the Traveler Verification Service, CBP takes photos of peoples’ faces when they enter the U.S. and compares these to previously collected ones. In an airport those can include photos from a passport, visa, or earlier CBP encounters, according to a Privacy Impact Assessment (PIA) previously published by CBP. With land crossings, that can include a gallery of “frequent” crossers for that port of entry, the PIA adds.

The second is the Seizure and Apprehension Workflow. This is what the Department of Homeland Security (DHS) describes as an “intelligence aggregator,” bringing together information related to searches and seizures.

“The app uses CBP’s Traveler Verification Service and the Seizure and Apprehension Workflow that contains the biometric gallery of individuals for whom CBP maintains derogatory information for facial recognition,” the email reads. The exact definition of derogatory information in this context is not clear but 404 Media has previously reported on a database that ICE uses to find “derogatory” speech online.

One of the internal ICE emails says the app also has a “Super Query” functionality, which is available to ICE officers who also have access to another CBP system called the Unified Passenger Login system (UPAX) which is used for passenger vetting. “This additional tool allows the user to Super Query the facial or biometric results to better assist in determining the immigration status of the person in question,” the email says.

One of the emails says the tool uses DHS’s Automated Biometric Identification System (IDENT), the agency’s central biometric system, for the fingerprint matches.

ICE did not respond to a request for comment. CBP acknowledged a request for comment but did not provide a response in time for publication.

ICE already has access to other facial recognition tools. A 404 Media review of public procurement records shows at least $3,614,000 worth of contracts between the agency and Clearview, for example. Clearview’s tool may reveal a subject’s name and social media profiles. But the company’s results won’t include information on a person’s immigration status or other data held by the government, whereas a government curated tool might.

“This information can be used to identify unknown subjects in the field.”

The Mobile Fortify app is just the latest example of ICE turning to technological solutions to support its deportation mission. 404 Media previously revealed Palantir, for example, was working with ICE to build a system to help find the location of people flagged for deportation as part of a $30 million contract extension. Palantir is now a “more mature partner to ICE,” according to leaked internal Palantir discussions 404 Media obtained.

At first facial recognition was a capability only available to the government. Over the last several years the technology has proliferated enough that ordinary members of the public can access commercially available tools that reveal someone’s identity just with a photo, or build their own tailored tools. On Tuesday 404 Media reported that a site called ‘FuckLAPD.com’ is able to identify police officers using a database of officer photos obtained through public records requests. The same artist who made that tool also created one called ICEspy, which is designed to identify employees of ICE, although the underlying data is out of date.

ICE officers are consistently wearing masks, neck gaiters, sunglasses, and baseball caps to mask their identity while detaining people.

According to internal ICE data obtained by NBC News, the Trump administration has arrested only 6 percent of known immigrant murderers. Meanwhile, ICE continues to detain nonviolent, working members of immigrant communities who have lived in the country for decades, particularly in Los Angeles. NBC News says almost half of the people currently in ICE custody have neither been convicted or charged with any crime.

In May, the Trump administration gave ICE a quota of 3,000 arrests a day.

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