Tony Bobulinski is a very wealthy man in the world of finance.  He was, I believe, a Lieutenant in the US Nuclear Navy and held a "Q" clearance, the highest level you can get in the Nuclear Navy.  He is a Democrat and became highly incensed that the Bidens, Congressman Adam Schiff, and the media were smearing his good name.
Bobulinski says he thinks Joe Biden and the Biden family are comprimised

Tony Bobulinski reveals details of conversation with Joe Biden
Ex-Hunter Biden Business Associate Speaks Out In Exclusive Interview
Former Hunter Biden Business Associate Speaks Out On Burisma Scandal
Tucker: "Outrageous To Dismiss Bobulinski As A Tool Of Russian Intel
 Full episode of Tucker Carlson Tonight