‘THREATENING DISPLAY’: The officers, who showed her that they had highly accurate information about her, was gauging her usefulness as an informant, the traveler said By Weng Yu-huang and Jonathan Chin / Staff reporter, with staff writer When the Chinese counterintelligence agents sitting opposite “Jannie” told her that they knew her husband was an Investigation Bureau officer, the Taiwanese businesswoman said she feared that she was “never going back to Taiwan again.”Jannie — whose name has been withheld for her safety — in an interview told the Chinese-language Liberty Times (the Taipei Times’ sister paper) that she had been on a 10-day business trip to China for her employer, the Taiwan branch of a foreign-based corporation.The events of the trip — from which she eventually returned saf