Prosecutor Used Flawed A.I. to Keep a Man in Jail, His Lawyers Say

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Source: NYT

When Kyle Kjoller, a 57-year-old welder, was ordered held without bail in Nevada County, Calif., in April, he protested. The charges against him — multiple counts of illegal gun possession — were not grave enough under California law to warrant keeping him in jail for months awaiting his trial, he argued.

Prosecutors disagreed, and offered 11 pages’ worth of reasons. But the brief they filed, Mr. Kjoller’s lawyers contend, was rife with errors that bear the hallmarks of generative artificial intelligence.

The lawyers soon turned up briefs in four separate cases, including Mr. Kjoller’s, that were filled with mistakes, all of them from the office of the same prosecutor, District Attorney Jesse Wilson. The mistakes included wholesale misinterpretations of the law, as well as quotations that do not actually appear in the cited texts.

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The Kjoller case, though, is one of the first in which prosecutors, whose words carry great sway with judges and juries, have been accused of using A.I. without proper safeguards.

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Read more: https://www.nytimes.com/2025/11/25/us/prosecutor-artificial-intelligence-errors-lawyers-california.html