Dan Bongino announced he will leave the FBI in January amid disputes over the handling of Epstein files and criticism of Immigration and Customs Enforcement raids, following his controversial appointment earlier this year.Bongino thanked Donald Trump, Pam Bondi and Kash Patel in a post on X and said he had worked "for a purpose" after nine months as the bureau's deputy director marked by clashes with career agents, internal tensions and questions about his partisan media history.His departure leaves open who will replace him and how the FBI will manage the leadership transition as the Justice Department and agency leaders confront pressure to restore morale and public trust.