Osama Bin Laden Killed Osama bin Laden, the mastermind behind the Sept. 11, 2001, attacks that killed thousands of Americans, was killed in an operation led by the United States.

Pakistani policemen escort a minivan carrying family members of slain al-Qaeda chief Osama bin Laden, in Islamabad, earlier today. Aamir Qureshi /AFP/Getty Images hide caption

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Aamir Qureshi /AFP/Getty Images

Pakistani security personnel stand guard outside the house in Islamabad where family members of al-Qaida chief Osama bin Laden are being held. Aamir Qureshi /AFP/Getty Images hide caption

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Aamir Qureshi /AFP/Getty Images

During the raid on Osama bin Laden's compound in Abbottabad, Pakistan, a video showing the al-Qaida leader watching television was discovered. AFP/Getty Images hide caption

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AFP/Getty Images

Al-Qaida is known to keep meticulous records. Experts say that's the influence of Osama bin Laden, shown in 1998, who was obsessed with documenting everything. Rahimullah Yousafzai/AP hide caption

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Rahimullah Yousafzai/AP

Al-Qaida's Paper Trail: A 'Treasure Trove' For U.S.

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Secretary of State Hillary Rodham Clinton and Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, were in Islamabad today (May 27, 2011). Aamir Qureshi /AFP/Getty Images hide caption

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Aamir Qureshi /AFP/Getty Images

After Bin Laden's Death, Who Will Lead Al-Qaida?

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Pakistani military and police officials cordoned off a street in Abbottabad near the compound where Osama Bin Laden was found and killed. (May 8, 2011, file photo.) Asif Hassan /AFP/Getty Images hide caption

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Asif Hassan /AFP/Getty Images

Steve Inskeep talks with Anatol Lieven

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Presence Of His Family Likely Helped Bring Down Bin Laden

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U.S. Sen. John Kerry (left) shakes hands with Pakistani Prime Minister Yousuf Raza Gilani during a meeting in Islamabad on Monday. Aamir Qureshi/AFP/Getty Images hide caption

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Aamir Qureshi/AFP/Getty Images

Kerry Seeks To Smooth Fraught U.S.-Pakistan Ties

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