https://www.reuters.com/article/us-usa-china-researchers/chinese-researchers-quit-u-s-agents-target-biden-team-u-s-officials-idUSKBN28C3E8

More than 1,000 Chinese researchers have left the United States amid a U.S. crackdown on alleged technology theft, top U.S. security officials said on Wednesday, adding that Chinese agents had already been targeting the incoming Biden administration.