Contrary to popular conjecture, late sex predator Jeffrey Epstein had solid dirt on “only one person” and strenuously denied any connection to Mossad or the CIA, his former lawyer Alan Dershowitz told “ Pod Force One .” Dershowitz, 87, who was part of the legal team that helped the late financer win a controversial non-prosecution deal with the Justice Department in the 2006 case, argued that there’s a plethora of unproven claims out there on his former client that are widely accepted as fact. Fallout over Jeffrey Epstein continues some seven years after his death. DOJ “Jeffrey Epstein, obviously, I regret defending,” Dershowitz told The Post’s Miranda Devine when asked about clients he regrets having. “I wish I had never met him.…