Chang's influence was evident in Prime Minister Mahathir's infamous speech to the 2003 Islamic Summit Conference, in which he accused the Jews of world domination and oppression of the world's Muslims (read here). Chang was also behind a visit of a delegation of Holocaust deniers and "9/11 truth" advocates to Malaysia in 2006 (read here). The delegation was led by Michael Collins Piper, famous for his claim that Israel was behind the JFK assasination. During this tour, this delegation participated in a conference called “Islam, Humanity and World Peace” in which Yvonne Ridley also participated . This delegation was interviewed by the Malaysian media, addressed conferences at the University of Malaya and the International Islamic University, and visited with Prime Minister Mahathir. They also promoted