Arnold Diaz (born July 4, 1949) is an American television consumer watchdog journalist, of Puerto Rican descent, who is currently employed by WPIX-TV in New York. Diaz is famous for his Shame on You series of reports which he did on WCBS-TV for over twenty years. Diaz also worked for ABC News and WNYW in similar capacities, with the latter taking a page from WCBS and naming the segment Shame Shame Shame. He focuses most of his reports on exposing wrongdoings and incompetence by private industry and government agencies. His reports have led to jail time for a number of scam artists.