Justice Department officials diverted hundreds of F.B.I. employees and federal prosecutors from their regular duties to go through the Jeffrey Epstein files at least four times — including once to flag any references to President Trump and other prominent figures.
The use of the polygraph, and the nature of the questioning, is part of the F.B.I.’s broader crackdown on news leaks, reflecting, to a degree, the director's acute awareness of how he is publicly portrayed.