REWARD: $25 MILLION
The Egyptian-born physician has long been al-Qaeda's No. 2 and its most vocal ideologue
A look at who's dead, captured and at large
Ayman al-Zawahiri
A look at who's dead, captured and at large
REWARD: $25 MILLION
The Egyptian-born physician has long been al-Qaeda's No. 2 and its most vocal ideologue