Incident Tracker / United States (federal)
Johnson v. Nationstar Mortgage LLC, No. 1:25-cv-00855-JRR (D. Md.)
·US District Court, District of Maryland·US-FEDWarning
In the District of Maryland, self-represented plaintiff Darrin Johnson again cited a case the court could not locate, after an earlier Rule 11 warning. Judge Rubin said the authority appeared to be hallucinated from generative AI, dismissed the action without prejudice and warned that continued use of hallucinated authorities risks sanctions.
- Court
- US District Court, District of Maryland
- Date
- 2026-08-26
- Who used the AI
- Litigant in person
- AI tool
- generative AI (suspected by court)
- Conduct
- Self-represented plaintiff Darrin Johnson cited Cooke v. Carrington Mortgage Services, No. 22-1425 (4th Cir. 2023), which the court could not locate by caption, docket number or Westlaw citation. The court said the case appeared to be hallucinated from generative AI and warned that continued citation to hallucinated authorities risks sanctions.
- Outcome
- Warning
- Penalty
- No monetary penalty recorded
- Regulatory outcome
- No separate regulatory disposition recorded
- Status
- Verified against listed sources
- Last checked
- 2026-09-04
Primary sources for this incident
Related regulation records for this incident
- Mezu v. Mezu, No. 361, Sept. Term 2025 (Appellate Court of Maryland, reported, 29 Oct 2025)Appellate Court of Maryland · US-STATE
Cite this record
SafeLegalAI Global Legal AI Incident Tracker, “Johnson v. Nationstar Mortgage LLC, No. 1:25-cv-00855-JRR (D. Md.)”, safelegalai.com/tracker/johnson-v-nationstar (accessed 2026-09-04). Data: CC BY 4.0.