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Colorado Lawyer Filed a Motion Citing Hallucinated ChatGPT Cases

Occurred
Jun 13, 2023
Published
Nov 22, 2023
Source
AI Incident Database

Summary

A Colorado Springs attorney, Zachariah Crabill, mistakenly used hallucinated ChatGPT-generated legal cases in court documents. The AI software provided false case citations, leading to the denial of a motion and legal repercussions for Crabill, highlighting risks in using AI for legal research.

Developers

  • OpenAI
  • ChatGPT

Deployers

  • Zachariah Crabill

Harmed parties

  • Zachariah Crabill's client
  • Zachariah Crabill
  • Legal system

Tags

  • generative AI
  • law
  • false citations
  • court

Classification

Category confidence: 95%
Severity confidence: 90%

Rationale: AI hallucination caused legal motion denial and professional repercussions for the attorney.

Classifier: Qwen/Qwen3.5-35B-A3B-FP8

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