On 8 June 2026, in Withers v City of Aberdeen (Northern District of Mississippi), a federal judge took the extraordinary step of cancelling the trial entirely after discovering that attorneys on both sides of the case had filed fabricated citations generated by AI. The judge suspended both lead attorneys from the district for two years.
This represents a new severity ceiling for AI sanctions in US courts. Previous penalties had reached fines and bar referrals, but the cancellation of a scheduled trial and the simultaneous suspension of opposing counsel is unprecedented.
Why does a cancelled trial change the risk picture?
The case demonstrates that AI governance failures are not limited to one side of a dispute. Courts are prepared to impose structural consequences, not just financial ones, when the integrity of proceedings is compromised. A fine can be paid. A cancelled trial and a two-year suspension from the district change careers and client matters at the same time.
Both sides filed fake citations. That fact removes the comforting story that only the careless opponent will be caught. If each team used an ungoverned tool and neither checked the output, the court treated the shared failure as a reason to stop the proceeding, not as a reason to proceed with a warning.
What should firms take from Withers?
Citation checking is no longer a courtesy. It is a condition of remaining in the case. Firms that cannot show a governed review step before filing should expect the court to treat the filing as unverified. Check your governance exposure in three minutes.
This case is tracked in the Ecsper AI Risk Intelligence, which documents over 2,000 court cases involving AI-fabricated content.
