Judge warns against chatbot misuse after litigant hid prompt-injection text in court filings

An Ars Technica report describes a court case in which a self-represented litigant embedded prompt-style instructions in legal filings after suspecting the court might be using AI tools to read submissions. A judge responded by warning that pro se litigants are misusing chatbots and that such tactics are improper, making the episode a discrete legal incident tied to AI use in court proceedings.