Oswald sent a note to an FBI agent he was in contact with that was likely a warning about the assassination plot but was later claimed to be a "threat" from Oswald, himself.
The agent did what all good law men do; DESTROYED THE NOTE.
That agent was NOTRE DAME EDUCATED CHICAGO ROMAN CATHOLIC JAMES PATRICK HOSTY
Standing next to Jackie, in shock and with her husband’sblood still on the dress under her coat, Johnson leans back to smile at friendCongressman Albert Thomas who, in turn, winks at him.