A California lawyer faces a $10,000 fine after using ChatGPT to prepare an appeal. Court delivers sharp warningAccording to the California Second District Court of Appeals, the document had 21 fake citations of 23. California judges now face pressure to set strict rules. Lawyer admits his mistakeAccording to the lawyer, Amir Mostafavi, after using AI to clean up his writeup, he did not double check the citations. Earlier this year, a federal judge in California fined two law firms $31,000 for relying on fake AI research.