A young Osama bin Laden at age 15 with 22 of his siblings in Sweden in 1971.
Osama bin Laden in a cave in the Jalalabad region of Afghanistan in 1988.
Osama bin Laden walks with Afghanis in the Jalalabad region in 1989.
This handout recently received from former CNN reporter Peter Arnett shows him posing with Osama bin Laden in March 1997 after a television interview in the Tora Bora mountains of Afghanistan.
Osama bin Laden in traditional Saudi dress in this 1988 photo taken in Jeddah.
Rescue workers remove the bodies of people who died when a bomb exploded near the U.S. Embassy in Nairobi in August 1998, an attack credited to Al-Qaeda. More than 200 were killed.
U.S. Secretary of State Madeleine Albright (center) walks past the damaged U.S. Embassy in Dar es Salaam, Tanzania, on August 1998, after a bomb attack credited to Al-Qaeda. At least 11 people were killed.
The "USS Cole" is pictured after a bomb attack during a refueling operation in the Yemeni port of Aden in this October 12, 2000, photo. Seventeen U.S. service members were killed in the attack.
Osama bin Laden (right) sits with his son Mohammed (center) and one of his top aides, Mohammed Atef, during Mohammed's wedding to Atef's daughter in Kandahar in January 2001.
The World Trade Center towers burn behind the Brooklyn Bridge on September 11, 2001.
In this photo, dated November 2001, Osama bin Laden sits with his deputy, Ayman al-Zawahri, at his hideout at an undisclosed location in Afghanistan.
Afghan fighters outside one of the entrances to caves where Osama bin Laden was reportedly hiding in the mountains of Tora Bora in December 2001.
Afghan fighters shelling Al-Qaeda positions in Tora Bora where Osama bin Laden was reportedly hiding in December 2001.