I imagine it's the interesting peculiarity that the same people seem to crop up over and over and over again. Six degrees of Kevin Bacon or something, except it's like one or two degrees. As George Carlin said, "it's a big club, and you ain't in it"

For example Donald Barr (father of twice-former US Attorney General Bill Barr) hiring college-dropout Jeffrey Epstein whilst headmaster at the elite Dalton School

Additional fun facts about Donald Barr: he served in US intelligence during WWII, and wrote a sci-fi book featuring child sex slaves