Emails uncover the scandal the brought down David Petraeus
On Nov. 9, CIA Director David Petraeus submitted his resignation to President Obama, citing an extramarital affair.
Law enforcement raised concern over emails Petraeus exchanged with journalist Paula Broadwell, who authored his biography "All In: The Education of General David Petraeus." The affair between Petraeus and Broadwell was uncovered during a related investigation into allegedly threatening emails received by Jill Kelley -- a Petraeus family friend.
Credit: Greg E. Mathieson,S / Rex Featu