Osama bin Laden's Legacy: 13 Years of Terrorist Attacks

The London Bombings
Less than four years after 9/11, Islamic extremists struck London — not with planes but with backpacks. On the morning of July 7, 2005, four suicide bombers detonated their explosives on three subway trains and a double-decker bus. The terrorists — three of whom had been born in Britain — killed 52 people and injured hundreds more.

• Inside Osama bin Laden's Pakistan Hideaway