A Stanford University professor and misinformation expert accused of making up citations in a court filing has apologized — and blamed the gaffe on his sloppy use of ChatGPT. Jeff Hancock made the ironic errors in a Nov.

The professor’s legal imbroglio illustrates one of the most common problems with an AI technology that has taken the world by storm.

A Stanford University misinformation expert has admitted using artificial intelligence to draft a court document that contained multiple fabricated citations about AI. Jeff Hancock, a professor at Stanford, submitted the document in a case involving a Minnesota law that makes it illegal to use AI to mislead voters ahead of elections.

A misinformation expert accused of using AI to generate a legal document admitted he used ChatGPT to help him organize his citations, leading to “hallucinations” that critics said called the entire filing into question.