FBI Vault : FOIA Dump : JFK JR. Letter Formally Accusing Joe Biden of Being a 'Traitor' and Threats : Biden involved the F.B.I. First 150 pages are of wild JFK JR. Kidnapping Plots ! Page 153 and it gets wild.  Joe Biden Filed FBI Charges of being Threatened by JFK JR. via a several page hand written letter.  PDF File :  https://vault.fbi.gov/John%20F.%20Kennedy%20Jr./John%20F.%20Kennedy%20Jr.%20Part%201%20of%201