Walt Bogdanich is an American investigative journalist and three-time recipient of the Pulitzer Prize. In 1988, while a reporter for The Wall Street Journal, Bogdanich won the Pulitzer Prize for Specialized Reporting for reporting about faulty testing in American medical laboratories. In 2004, he won the George Polk Award, for National Reporting. In 2005, now a reporter at The New York Times, he won the Pulitzer Prize for National Reporting for a series of reports about corporate cover-ups of fatal accidents at railway crossings. In 2008, Bogdanich and New York Times colleague Jake Hooker won the Pulitzer Prize for Investigative Reporting for reporting on toxic substances that were discovered in products imported from China.