An curved arrow pointing right. Al Qaeda leader Ayman al-Zawahiri — the FBI's most-wanted terrorist and Osama bin Laden's top lieutenant — was killed in a US air strike July 31. More from News ...

President Biden says al-Qaeda leader Ayman al-Zawahiri was the "mastermind" of attacks against Americans for decades. Four party leaders faced off on Donald Trump, tariffs and security in the only ...