Chuck Grassley. We review the full report and check in with the Oversight Committee for reaction.
link below to full pdf from chuck grassley own gov page including a link to the article grassley wrote.
https://www.grassley.senate.gov/imo/media/doc/fd_1023_obtained_by_senator_grassley_-_biden.pdf
https://www.grassley.senate.gov/news/news-releases/grassley-obtains-and-releases-fbi-record-alleging-vp-biden-foreign-bribery-scheme