His wife's father had Mossad connections (father in law's funeral attended by both past and present Mossad directors and both Israeli Prime Minister and President)
Plus, Epstein himself may or may not have blackmailed Bill Clinton, and by extension, his wife Hillary, in the 90s to pursue a hardline policy towards Palestine (no solid proof but somewhat likely)
Interestingly, sexual blackmail was quite common in the 1960s and was a favorite pastime of the longest serving FBI Director J. Edgar Hoover