Dui Hua aids Secretary of State Colin Powell with preparation of prisoner list for his Chinese counterpart, Director General of the Ministry of Foreign Affairs International Department Li Baodong. In the wake of September 11 attacks, US-China relations improve, and releases of long- serving prisoners began in January 2002. US businessman Fong Fuming, detained in August 2000 on state secrets and bribery charges, was released in October 2003.