The David Petraeus investigation

FBI agents carry boxes and a computer Tuesday from the home of Paula Broadwell, the woman whose alleged affair with retired Gen. David Petraeus led to his resignation as CIA director, in the Dilworth neighborhood of Charlotte, N.C. (Chuck Burton / Associated Press)

Nov. 9, 2012 6:12 PM PT

CIA Director David Petraeus unexpectedly resigned in November, citing “extremely poor judgment” after engaging in an extramarital affair with his biographer, Paula Broadwell. The investigation has widened to include an examination of emails between Gen. John Allen, commander of U.S. and international forces in Afghanistan, and Jill Kelley, a Florida socialite who is a friend of Petraeus, Allen and their wives.

In this Oct. 10 photo, Gen. John Allen, newly appointed as Supreme Allied Commander in Europe, attends a meeting of NATO defense ministers at NATO headquarters in Brussels. Allen is under investigation for “inappropriate” emails to a woman linked to the scandal involving former CIA director David Petraeus, a defense official said. (Thierry Charlier / AFP/Getty Images)

In April 2011, from left, President Obama announces nominations of Leon Panetta as secretary of Defense, Gen. David Petraeus as the director of the CIA, and Gen. John Allen as commander for U.S. forces in Afghanistan. The investigation into Petraeus’ extramarital affair has ensnared Allen, as the widening scandal rippled through Washington. (Saul Loeb / AFP/Getty Images)

Army Gen. David Petraeus gives a thumbs-up after presenting his wife, Holly, with a bouquet of roses during a retirement ceremony in August 2011. Now he has resigned as CIA director, citing an extramarital affair. “Dave’s decision to step down represents the loss of one of our nation’s most respected public servants,” National Intelligence Director James Clapper said in a statement. (Saul Loeb / AFP/Getty Images)

David Petraeus’ wife, Holly, holds a Bible as he is sworn in as CIA director by Vice President Joe Biden in September 2011. (Pablo Martinez Monsivais / Associated Press)

Gen. David Petraeus, center, tours the grounds of the U.S.-run Parwan detention facility near Bagram north of Kabul in Afghanistan. (David Guttenfelder / Associated Press)

President Obama announces in June 2010 that Gen. David Petraeus, right, would be taking over command of international and U.S. forces in Afghanistan. (J. Scott Applewhite / Associated Press)

Gen. David Petraeus talks to young soccer players during a tournament in Baghdad in March 2008 while he was the top U.S. commander in Iraq. (Dusan Vranic / Associated Press)

Maj. Gen. David Petraeus greets old friends before handing over command of the 101st Airborne Division to Maj. Gen. Tom Turner at Fort Campbell, Ky., in May 2004. Petraeus would go on to become a four-star general who led the U.S. military campaigns in Iraq and Afghanistan. (Christopher Berkey / Associated Press)

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The David Petraeus investigation

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