Ayman al-Zawahri
Al Qaeda chief urges lone wolf attacks, militant unity
Sep 13, 2015 10:18 PM EDT
Al Qaeda deputy leader killed in U.S. bombing in Yemen
Jun 17, 2015 06:29 AM EDT
Al Qaeda claims French attack, derides Paris rally
Jan 14, 2015 10:18 AM EST
Khorasan leader killed by U.S. strike in Syria: SITE quoting jihadist
Sep 28, 2014 10:24 AM EDT