The CIA has opened an "exploratory" investigation into the conduct of its former director David Petraeus, who resigned last week over an extramarital affair.
At the CIA we are constantly reviewing our performance. If there are lessons to be learned from this case we'll use them to improve. But we're not getting ahead of ourselves; an investigation is exploratory and doesn't presuppose any particular outcome.
General John Allen is being investigated for "inappropriate communication" with the woman at the centre of the CIA affair scandal.
The director of the CIA, General David Petraeus tendered his resignation as head of the leading U.S. spy agency on Friday.