Internal documents show the Department of Justice stopped using SHIELD — a Palantir — assisted mobile app that scanned ID photos and queried criminal databases — after thousands of users across multiple agencies had access;
The Department of Justice stopped using SHIELD, a mobile identity — checking app that Palantir helped develop, and decommissioned the service in early 2023 after a multi — agency rollout that reached thousands of users. The tool’s capability to scan ID photos and query criminal databases made it a field — facing biometric and identity — verification option for law enforcement, and the shutdown removed that capability from day-to-day operational use across several Justice components.
Documents released in 2026, including internal emails and project records, trace SHIELD’s origins to at least 2018. Karl Mathias, then chief information officer of the U.S. Marshals Service, described an alpha — stage system intended to let officers query a crime database operated by the FBI. Palantir was contracted in 2019 to assist building the platform.
SHIELD’s workflow reportedly allowed officers to photograph a driver’s license and run that image across multiple databases for near-real-time biometric and identity verification. A Department of Justice IT manager’s public profile credited the initiative with enabling more than 2,000 users, and the rollout reached offices including the U.S. Marshals Service, the Drug Enforcement Administration and the Bureau of Alcohol, Tobacco, Firearms and Explosives.
The project attracted internal requests for sustained funding; the department pursued additional support for SHIELD before fiscal year 2021 and again ahead of fiscal year 2023. Despite those funding efforts, agency communications from February through April 2023 show coordinated steps to shut the service down as an "end of contract" date approached. Those messages included instructions for data export and retention to preserve records before access was cut.
One February 2023 email from a DOJ IT manager spelled out shutdown mechanics: "User access will be turned off at the end of the contract. Any service accounts we used to communicate with external systems should be identified and disabled." The same communications instructed teams to complete cleanup work and noted that contractor access and security clearances could be closed out, indicating a controlled but relatively rapid wind-down of the program.
Former Palantir staff and a person familiar with the program suggested contractual and licensing structures helped drive the transition away from SHIELD. One former employee said the deal might not have been attractive if restructured as a perpetual license, and another noted Palantir has since moved away from perpetual — licensing models — a shift that can prompt agencies to transition off systems built under older commercial terms. require exportable data formats, plan for service — account and clearance revocations, and model lifecycle costs tied to license terms.
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