Scandals: #4 General David Petraeus affair

Christopher Wilson
Yahoo News
General David Petraeus affair
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Commander of the International Security Assistance Force (ISAF)/U.S. Forces in Afghanistan General David Petraeus shakes hands with author Paula Broadwell in this ISAF handout photo originally posted July 13, 2011. The FBI investigation that led to the discovery of CIA Director Petraeus' affair with Broadwell was sparked by "suspicious emails" from her to another woman and Petraeus was not the target of the probe, U.S. law enforcement and security officials told Reuters on November 10, 2012. (REUTERS/ISAF)

The resignation of CIA Director David Petraeus, a four-star general who had overseen American forces in Iraq and Afghanistan, placed high on our list. An FBI investigation revealed that Petraeus had an affair with his biographer, Paula Broadwell. The story eventually tied in Florida socialite Jill Kelley (who had received threatening emails from Broadwell), a shirtless FBI agent, and Gen. John Allen, who exchanged thousands of emails with Kelley.