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Lawsuit alleges a DHS agent logged Maine ICE observers in a Palantir-built case system

Four ICE observers allege in a partly unsealed filing that a DHS agent logged at least six observers in ICM, the case system Palantir built for ICE. Drawn largely from government documents, it traces how a plate lookup and a disputed photo match became a federal case record in one afternoon.

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Illustration accompanying Lawsuit alleges a DHS agent logged Maine ICE observers in a Palantir-built case system
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What happened

  • The filing belongs to a proposed class action by four observers over Operation Catch of the Day, a January immigration surge in Maine, and its redacted version became public on Friday.
  • According to the filing, the agent tagged two people he filmed at a Home Depot parking lot as "Threat to Law Enforcement, Professional Protestor" and sent photos to a CBP officer for a facial recognition search.
  • At least one observer, per the filing, must be referred to secondary inspection every time she crosses the border until at least January 2027.
  • ICE's 2022 five-year support contract with Palantir for ICM was initially valued at up to about $96 million.
  • A DHS spokesperson called the observers' case "meritless."

Why it matters

  • Who's exposed exposure Williams landed in a federal case record, per the filing, for owning the car her spouse stood beside, so people who live with observers can be pulled in without watching anything themselves.
  • What doesn't add up contradiction DHS calls the idea of a 'domestic terrorists' database a lie, yet the government counts eight people the agent entered, two more than the plaintiffs do, so the dispute is over what those records are for.
  • What it sets up precedent Other plaintiffs challenging surveillance of observers now have grounds to ask for named ICM entries in discovery, because the government produced Williams' entry in this case.

On January 20, Polyxenia Pantos briefly watched an arrest in Portland, Maine, and photographed it from a few car lengths away, standing beside their spouse's car [8]. Hours later, according to the filing, the agent identified as J.C. ran that car's plate. He pulled a report on its owner, Carlyn Williams, from Accurint, a LexisNexis database for law enforcement, and it listed her address, phone numbers and cohabitants [9].

J.C. then sent her photo to his team and asked, "Was this the protestor." [10] Another agent replied that it did not match the woman he had dealt with at the scene. J.C. told colleagues he was "adding them in ICM now," the filing says [10].

The government describes ICM as the case management system Homeland Security Investigations uses to document its investigations [11]. In the filing's account, it held the owner of a car parked near an arrest. Williams' entry comes from documents the government produced. It says she was the registered owner of a vehicle used to "interrupt ICE arrests," and that her driver's license photo matched a video of an aggressive woman interjecting herself into an arrest [16]. Per the filing, the colleague's reply disputing the match came before J.C. announced he was adding them [10].

According to a 2016 DHS privacy assessment, ICM automatically shares the subject records agents create with CBP's TECS system, where they act as "lookout records" for screening travelers at the border [17]. Wired's account does not say whether the observer's border referral came from an ICM entry.

That afternoon, the filing says, J.C. called Williams and identified himself only as "the Department of Homeland Security" [20]. Williams says he told her that "people who are doing things like that might get added to a domestic terrorism watchlist" [20]. J.C. testified in a deposition that he warned her she would be arrested if she "continue[d] to do this" [21]. Government attorneys said in a court filing that he denied referencing a "domestic terrorism watchlist" [21].

"The government is treating people who exercise their First Amendment rights and seek to hold it accountable as criminal suspects, and that's what we're asking the court to stop," said JoAnna Suriani, a Protect Democracy attorney representing the observers [4].

Two vendors' products sit in the January 20 account. Accurint supplied the address [9]. Palantir built ICM on its Gotham software under a 2014 contract, and ICE says that software was customized specifically for its operational needs [12]. The filing alleges conduct by agents. Palantir did not immediately respond to requests for comment [18].

The people who can act on this sit on the configuration side: whoever sets up a case system and decides what its records do. I think two questions sort every record type in a system like ICM. The first is how many people must agree before a record about a person exists, one user or a user plus a reviewer. The second is what the record does elsewhere with no further human step: nothing, or something that happens to the person, such as a border lookout. On that grid, the square to worry about is single-user creation with automatic downstream action. The Williams entry, as the filing describes it, was one agent's call after a colleague disputed the match, inside a system the 2016 assessment says shares subject records automatically [10][17]. I'd require a second reviewer for any record type in that square. The cost is a second person's time on every entry of that type, including the ones that belong to real investigations.

What to watch

  • Whether the federal court in Maine certifies the observers' proposed class and restricts how agents create ICM records on people who watch arrests.
  • Further unsealing that shows whether the observer's border referral through January 2027 came from an ICM lookout record shared with TECS.
  • A response from Palantir, which had not commented when Wired published.

Clarity's read

What the record supports and how the coverage leans. The claims behind it follow.

Reality

Evidence58
Adoption65
Hype gap+30
Incentives55
Confidence60

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Claim ledger

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  1. [1]

    A newly partially unsealed court filing alleges that DHS built up dossiers on ICE observers, including their photos, license plate numbers and other information, and stored them in the Investigative Case Management database, which was built by Palantir.

    Reported Supported Source: Plaintiffs' filing, as reported by WiredView cited source
  2. [2]

    The filing focuses on Operation Catch of the Day, an immigration enforcement surge in Maine in January; it is part of a proposed class action in federal court in Maine brought by four observers, Elinor Hilton, Colleen Fagan, Polyxenia Pantos and Carlyn Williams; it was filed under seal in September and a redacted version was made public Friday.

    Reported Supported Source: WiredView cited source
  3. [3]

    J.C. labeled two people he filmed at a Home Depot parking lot with "Threat to Law Enforcement, Professional Protestor" and sent photos of them and others to a CBP officer so he could run a facial recognition search using an app called Mobile Query.

    Reported Supported Source: Plaintiffs' filing, per WiredView cited source
  4. [4]

    "The government is treating people who exercise their First Amendment rights and seek to hold it accountable as criminal suspects, and that's what we're asking the court to stop."

    Reported Supported Source: JoAnna Suriani, attorney at Protect Democracy representing ICE observers, to WiredView cited source
  5. [5]

    According to the filings, Agent J.C. created ICM records on at least six observers; the government puts the number of people at eight.

    Reported Supported Source: Plaintiffs' filing and government, per WiredView cited source
  6. [6]

    A DHS spokesperson calls the case "meritless."

    Reported Supported Source: DHS spokesperson, per WiredView cited source
  7. [7]

    A DHS spokesperson says "the underlying lawsuit is based on the lie that there is a database of 'domestic terrorists' run by DHS."

    Reported Supported Source: DHS spokesperson, per WiredView cited source
  8. [8]

    On January 20, Pantos briefly watched and photographed an arrest in Portland, Maine, standing a few car lengths away beside their spouse's car.

    Reported Supported Source: Plaintiffs' filing, per WiredView cited source
  9. [9]

    Hours later, J.C. ran the car's plate and pulled a report on the owner, Williams, from Accurint, a LexisNexis database for law enforcement, which listed her address, phone numbers and cohabitants.

    Reported Supported Source: Plaintiffs' filing, per WiredView cited source
  10. [10]

    J.C. circulated Williams' photo to his team asking "Was this the protestor." Another agent replied that it didn't match the woman he had dealt with at the scene; J.C. then told colleagues he was "adding them in ICM now."

    Reported Supported Source: Plaintiffs' filing, per WiredView cited source
  11. [11]

    The government describes ICM as the case management system the ICE component Homeland Security Investigations uses to document its investigations.

    Reported Supported Source: Government description, per WiredView cited source
  12. [12]

    ICE awarded Palantir the contract to build ICM in 2014, and the system is built on the company's Gotham software, which ICE says was customized specifically for operational needs.

    Reported Supported Source: Wired; ICEView cited source
  13. [13]

    In 2022, ICE awarded Palantir a new five-year ICM support contract initially valued at up to about $96 million.

    Reported Supported Source: WiredView cited source
  14. [14]

    The filing is heavily based on documents produced by the government and depositions of DHS agents.

    Reported Supported Source: WiredView cited source
  15. [15]

    At least one observer is required to be referred to secondary inspection any time she tries to cross the border until at least January 2027.

    Reported Supported Source: Plaintiffs' filing, per WiredView cited source
  16. [16]

    According to documents produced by the government, Williams' ICM record says she was the registered owner of a vehicle used to "interrupt ICE arrests" and that her driver's license photo matched a video of "aggressive woman [who] interject[ed] herself into an arrest."

    Reported Supported Source: Government-produced documents, per WiredView cited source
  17. [17]

    According to a 2016 DHS privacy assessment, ICM automatically shares the subject records agents create with CBP's TECS system, where they act as "lookout records" for screening travelers at the border.

    Reported Supported Source: 2016 DHS privacy assessment, per WiredView cited source
  18. [18]

    Palantir did not immediately respond to requests for comment.

    Reported Supported Source: WiredView cited source
  19. [19]

    The government's count of people J.C. entered in ICM is two higher than the filing's minimum of six.

    Derived Supported
  20. [20]

    That afternoon J.C. called Williams, identifying himself only as "the Department of Homeland Security." According to Williams, he told her she "should encourage" Pantos "not to do anything like that in the future because people who are doing things like that might get added to a domestic terrorism watchlist."

    Reported Contested Source: Plaintiffs' filing and Williams, per WiredView cited source
  21. [21]

    J.C. testified in a deposition that he warned Williams she would be arrested if she "continue[d] to do this." Government attorneys asserted in a court filing that he denied referencing a "domestic terrorism watchlist."

    Reported Contested Source: Deposition and government attorneys, per WiredView cited source

Sources

2 independent publishers whose own reporting we read for this story.

  1. engadget.com

    1 article · October 3, 2026

    ICE is reportedly using a Palantir database to compile dossiers on protestors
  2. gizmodo.com

    1 article · October 2, 2026

    ICE Is Reportedly Putting ICE Observers, Protesters in a Palantir Database
  3. wired.com

    1 article · October 2, 2026

    ICE Has Been Dumping Protester Photos Into a Palantir Database

Topics and entities

Topics

  • First Amendment retaliation
  • Government data contracts
  • Immigration Enforcement Surveillance