A recent investigation by The National Pulse found that Biden's Security Adviser Jake Sullivan and Senior Adviser on China in Policy Planning Mira Rapp-Hooper once worked at Yale’s Paul Tsai China Center as fellows
As the caller asked to clarify which language the children would study in, the bureau employee said that instruction in Kelpin would be carried out in the "national language," or Mandarin Chinese only, as per the RFA report.
The FBI said Chen was involved in various efforts to promote China's technological and scientific development, including acting as an "overseas expert" for the Chinese government at the request of its New York consulate.