This article examines the case of Roberto Mata v Avianca, a legal case involving an injury sustained from a metal serving cart. US lawyer Steven A Schwartz wrote a legal brief and submitted it but with quotes and citations made up by a generative AI. A warning for the limits of AI technology is discussed as this case serves as an example of the danger of over-reliance on AI. Avianca is Colombia’s largest airline with numerous safety protocols in place. Schwartz is a lawyer with 30 years of experience in litigation.