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Public trackerCorpus refreshed Oct 25, 2026 · Latest decision Oct 21, 2026Public incidents are risk signals, not usage-adjusted rates
HomeCasesUnited States v. Jose Marquez
Evidence review: primary document verified. The linked primary document was extracted and checked with page-level evidence locators.
Evidence-linked corpus record: this page is generated from the structured public record and has a publication-readiness score of 81/100. It passes the current publication gate; that is not a legal-editorial review or a guarantee that every field has been independently verified.
Corpus matter record

United States v. Jose Marquez

Record source: imported from Damien Charlotin’s AI Hallucination Cases Database (CC BY 4.0), which credits Jesse Schaefer; document hosted in his archive: open the upstream document. What AI Vortex adds.

5th Cir. CA · Apr 24, 2026

/ federalEditorial impact: lowpro sefake citationsfabricated quotesmisrepresented authorityWarning
Direct answer

What happened in this matter?

In United States v. Jose Marquez, the 5th Cir. CA addressed a False Quotes: Case Law in a pro se litigant filing. The linked source records that nearly every quotation from existing caselaw in the brief was misquoted or fabricated, per the court's review. The recorded procedural consequence is Warning. The entry is dated 2026-04-24. It supports a focused account of the authority problem and does not establish an unrecorded AI tool, motive, or wider factual finding. The underlying source should be consulted for the complete filing and any later procedural developments.

Why the court cared
The linked source identifies the filing problem as: Nearly every quotation from existing caselaw in the brief was misquoted or fabricated, per the court's review..
Why it matters now
The source records a concrete authority-verification problem in a federal proceeding and the tribunal’s documented response to it.

Why this matter is tracked

In United States v. Jose Marquez, the 5th Cir. CA addressed a False Quotes: Case Law in a pro se litigant filing. The linked source records that nearly every quotation from existing caselaw in the brief was misquoted or fabricated, per the court's review. The recorded procedural consequence is Warning. The entry is dated 2026-04-24. It supports a focused account of the authority problem and does not establish an unrecorded AI tool, motive, or wider factual finding. The underlying source should be consulted for the complete filing and any later procedural developments.

Operational lesson

The source records a concrete authority-verification problem in a federal proceeding and the tribunal’s documented response to it.

Record details

Court5th Cir. CA
Jurisdictionfederal
Circuit5th Circuit
DateApr 24, 2026
NO
AI toolNo tool named in source
Party typePro Se Litigant
OutcomeWarning
Known amountNot recorded
Professional sanctionNo
Attribution boundary

What the record establishes about AI use

not established

The current record does not establish a specific AI tool. Do not infer AI use beyond the source.

Procedural posture

Warning

Correction behavior

Correction behavior is not separately verified in the current record.

Tracked discrepancy record

3 citation, quotation, or authority issues are recorded in the source dataset.

  1. False Quotes: Case Law | Nearly every quotation from existing caselaw in the brief was misquoted or fabricated, per the court's review.
  2. Misrepresented: Case Law | Legal propositions claimed to be supported by cited caselaw were often inapposite or contradicted by Fifth Circuit precedent.
  3. Fabricated: Case Law | Brief cites non-existent cases; court found some cited cases do not exist.

Questions this record answers

What happened in United States v. Jose Marquez?
In United States v. Jose Marquez, the 5th Cir. CA addressed a False Quotes: Case Law in a pro se litigant filing. The linked source records that nearly every quotation from existing caselaw in the brief was misquoted or fabricated, per the court's review. The recorded procedural consequence is Warning. The entry is dated 2026-04-24. It supports a focused account of the authority problem and does not establish an unrecorded AI tool, motive, or wider factual finding. The underlying source should be consulted for the complete filing and any later procedural developments.
Why does United States v. Jose Marquez matter for legal AI risk?
The source records a concrete authority-verification problem in a federal proceeding and the tribunal’s documented response to it.
What does the public record establish about United States v. Jose Marquez?
Limited to the linked source and the documented citation or quotation issue and stated disposition; no unrecorded tool, motive, or broader litigation facts are inferred.
Which source supports this United States v. Jose Marquez summary?
The recorded source is Damien Charlotin case archive. It is classified as publisher document archive; review the linked material and subsequent docket history before relying on this summary.

Related matters

Related by court, jurisdiction, tool, or classified failure pattern. Similarity does not imply the same facts or outcome.

Bourrage v. Sollie5th Cir. CA · Sep 24, 2026same court · pro se + fake citationsEx parte Bradley ThomasCA Texas · Sep 24, 2026pro se + fake citations · same recorded tool: No tool named in sourceKisha Peters v. Banner Health5th Cir. CA · Jun 4, 2026same court · pro se + fake citationsIn the Matter of Ikechukwu H. Okorie5th Cir. CA · Apr 29, 2026same court · pro se + fake citationsGuerra-Quezada v. United States; Guerra-Vasquez v. United States (consolidated)5th Cir. CA · Aug 14, 2026same court · fabricated quotes + misrepresented authorityRobbin Y. Miller v. Andrew Stuart5th Cir. CA · Nov 13, 2025same court · pro se + fake citations

This record involves a self-represented party. See all pro se litigant AI hallucination decisions in the corpus, with counts by year, country and outcome.

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