Al-Qaeda leader Ayman al-Zawahiri

Taliban accuses Pakistan of allowing US drones to use its airspace

What was al-Zawahiri doing in Afghanistan?

Taliban: No information about al-Qaeda chief in Afghanistan

US travelers warned of increased violence risk after Zawahiri killing

The killing of al-Qaeda's Zawahiri: How it happened

Zawahiri death: Did US use secret 'flying ginsu' missile?

Ayman al-Zawahiri: From Cairo physician to al-Qaeda leader

Al Qaeda chief Ayman al-Zawahiri killed in CIA drone attack