A profile of Osama bin Laden, founder and leader of al-Qaeda.

This publication is now archived. Are coalition forces closing in on Osama bin Laden?We don’t know. U.S. and Pakistani administration and military officials have announced stepped-up efforts to find …

Ayman al-Zawahiri, now America’s most wanted terrorist, took over as the head of al-Qaeda in June 2011 after the killing of erstwhile head Osama bin Laden.

Pakistan is bracing for more turbulence in the wake of Osama bin Laden’s killing. This Backgrounder looks at how state support for Islamist militants has led to growing religious intolerance in socie…