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Ars Technica

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

Friday, September 11, 2026


A defense lawyer in New Mexico used ChatGPT to prepare court filings that cited testimony from witnesses who did not exist. The lawyer did not verify the AI-generated content before submitting it to the court. A disciplinary body imposed sanctions on the attorney for filing false information in legal documents.

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

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