'Parlor Maid' tarnishes FBI Details of Leung-Smith spy case throw bureau's handling of investigation into question Details of Leung-Smith spy case throw bureau's handling By Ian Hoffman, STAFF WRITER Twelve years ago, a team of U.S. counterintelligence operatives flew into frigid southern Manchuria to assess Chinese spying on American diplomats. Instead, the U.S. agents came to believe their own team was tracked by China's Ministry of State Security every step of their mission, which is still classified today. The first clue was an odd elevator encounter in remote northeast China, an FBI agent bumping into a California nuclear-weapons scientist suspected...