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

First reported Fri, 11 Sep 2026 19:34:09 GMT · Last updated

Archived story. Not updated since 2026-09-14 13:26 UTC. Newsei is updated manually, so events may have moved on — check the original reporting below.
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ChatGPT-using lawyer punished for citing fake testimony from made-up witnesses
Ars Technica · published 2026-09-11 19:34 UTC

The New Mexico Supreme Court held a ChatGPT-using lawyer in direct contempt of court for submitting a brief with "false testimony from wholly fabricated witnesses," including fake police testimony and other mistakes. The state's top court referred the lawyer to a disciplinary board for further proceedings and concluded that he "demonstrated a lack of remorse and a lack of concern for his client." Attorney Stephen Aarons "admitted to the Court that he did not verify the factual claims and legal authority in his AI-generated brief before signing it and filing it with the Court, and that he did not inform his client of this failure or that the brief in chief contained multiple factual and legal misrepresentations," the state Supreme Court said in an order on Wednesday. Aarons has been a criminal defense lawyer in New Mexico for over 40 years and was hired by a defendant's family members to appeal a murder conviction. Aaron's now-former client, Oscar Renee Sandoval, was sentenced to life in prison in February 2025 after being convicted of killing Shiereen Al-Jibury, who was his partner and the mother of his children. Read full article Comments ]]>

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

    The New Mexico Supreme Court held a ChatGPT-using lawyer in direct contempt of court for submitting a brief with "false testimony from wholly fabricated witnesses," including fake police testimony and other mistakes. The state's top court referred the lawyer to a disciplinary board for further proceedings and concluded that he "demonstrated a lack of remorse and a lack of concern for his client." Attorney Stephen Aarons "admitted to the Court that he did not verify the factual claims and legal authority in his AI-generated brief before signing it and filing it with the Court, and that he did not inform his client of this failure or that the brief in chief contained multiple factual and legal misrepresentations," the state Supreme Court said in an order on Wednesday. Aarons has been a criminal defense lawyer in New Mexico for over 40 years and was hired by a defendant's family members to appeal a murder conviction. Aaron's now-former client, Oscar Renee Sandoval, was sentenced to life in prison in February 2025 after being convicted of killing Shiereen Al-Jibury, who was his partner and the mother of his children. Read full article Comments ]]>

    Fri, 11 Sep 2026 19:34:09 GMT

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  1. 2026-09-11 19:34Ars Technica — ChatGPT-using lawyer punished for citing fake testimony from made-up witnesses

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