William Scott Ritter, Jr. (born July 15, 1961) was a United Nations weapons inspector in Iraq from 1991 to 1998, and later a critic of United States foreign policy in the Middle East. Prior to the U.S. invasion of Iraq in March 2003, Ritter stated that Iraq possessed no significant weapons of mass destruction (WMD) capabilities. He became a popular anti-war figure and talk show commentator as a result of his stance.