He admitted he had an affair with his biographer , Paula Broadwell , a fellow West Point graduate who spent months studying the general 's leadership of U.S. forces in Afghanistan . David Petraeus resigned last year as head of the CIA . The FBI is investigating whether classified information was mishandled in connection with Clinton's email use. In a rare public appearance , he express `` regret ''
David Petraeus resigned last year as head of the CIA . The FBI is investigating whether classified information was mishandled in connection with Clinton's email use. In a rare public appearance , he express `` regret ''