His lawyer appeared by videoconference, and Duggan was denied bail and taken to the nearby Bathurst jail, two of the sources said.Duggan is a former U.S. citizen and the federal police were acting on a U.S. request for his arrest ahead of likely formal extradition proceedings, said one of the police sources, who was not authorised to speak publicly."An individual was arrested on 21 October 2022 pursuant to a request from the United States of America for their provisional arrest," a spokesman for the federal Attorney-General's Department said in a written statement to Reuters.Australia is also investigating reports some of its former fighter pilots have been approached to work in China.Duggan's LinkedIn profile said he has been working in Qingdao, China, since 2017 as the managing director of AVIBIZ Limited, described as "a comprehensive aviation consultancy company with a focus on the fast growing and dynamic Chinese Aviation Industry"."