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Lawyer punished for using ChatGPT to cite fake legal precedents

By PulseAugur Editorial · [3 sources] ·

A defense lawyer in New Mexico has been disciplined for citing fake legal precedents and non-existent witness testimonies generated by ChatGPT. The lawyer, Steven J. Schwartz, admitted to not knowing that AI could hallucinate facts, leading to his punishment. This incident highlights the risks of relying on AI tools without proper verification, especially in legal proceedings where accuracy is paramount. AI

IMPACT Highlights the critical need for verification when using AI tools in professional settings, particularly in law, to prevent the propagation of misinformation.

RANK_REASON The cluster describes a lawyer being disciplined for misusing an AI tool (ChatGPT), which falls under the 'tool' category as it pertains to the application and consequences of using AI products.

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AI-generated summary · Google Gemini · from 3 sources. How we write summaries →

Lawyer punished for using ChatGPT to cite fake legal precedents

How we ranked this

Signal score
12 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Tool
The cluster describes a lawyer being disciplined for misusing an AI tool (ChatGPT), which falls under the 'tool' category as it pertains to the application and consequences of using AI products.
Source corroboration
3 independent sources
Multiple independent publishers reporting the same story raises confidence that it's real and newsworthy.
Topics
policy, product
Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
AI-industry relevance
High
Clearly on-topic for AI-industry coverage.
Story freshness
Breaking (< 6h)
Fresh story with cross-source coverage still developing. Ranking may shift as more sources report.
Coverage growth since scoring
+1 source(s) since last score
New sources have picked up this story since our last re-score. Score will update on the next scoring pass.

Full methodology in our editorial standards.

COVERAGE [3]

  1. Ars Technica — AI TIER_1 English(EN) · Jon Brodkin ·

    ChatGPT-using lawyer punished for citing fake testimony from made-up witnesses

    "I didn't know that AI could hallucinate facts," New Mexico defense lawyer says.

  2. Mastodon — mastodon.social TIER_1 English(EN) · [email protected] ·

    📰 ChatGPT-using lawyer punished for citing fake testimony from made-up witnesses "I didn't know that AI could hallucinate facts," New Mexico defense lawyer says

    📰 ChatGPT-using lawyer punished for citing fake testimony from made-up witnesses "I didn't know that AI could hallucinate facts," New Mexico defense lawyer says. 📰 Source: Ars Technica 🔗 Link: https://arstechnica.com/tech-policy/2026/09/chatgpt-using-lawyer-punished-for-citing-fa…

    LINKS arstechnica.com/…/chatgpt-using-lawyer-pu…
  3. Mastodon — mastodon.social TIER_1 English(EN) · [email protected] ·

    ChatGPT-using lawyer punished for citing fake testimony from made-up witnesses https://arstechnica.com/tech-policy/2026/09/chatgpt-using-lawyer-punished-for-cit

    ChatGPT-using lawyer punished for citing fake testimony from made-up witnesses https://arstechnica.com/tech-policy/2026/09/chatgpt-using-lawyer-punished-for-citing-fake-testimony-from-made-up-witnesses/ # AI # Law # TechPolicy

    LINKS arstechnica.com/…/chatgpt-using-lawyer-pu…

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