The State Department warns of potential anti-American violence following the U.S. killing of al-Qaida leader Ayman al-Zawahiri. Experts say his loss hurts the group, but doesn't erase the threat.
The U.S. targeted the top al-Qaida leader, showing it could track down and strike against a hard-to-find extremist figure even in a country where the U.S. has no military or diplomatic presence.
Zawahiri's death places al-Qaida in a precarious position, argues Colin P. Clarke of the Soufan Center. The question of succession will help shape al-Qaida now — and it may prove divisive.
Justice Department officials say Apple hampered their investigation by refusing to unlock the gunman's iPhones. The case is part of a longstanding debate over national security interests and privacy.
"America sees this as an existential fight," writes former CIA analyst Aki Peritz, who argues in this case, the classic insurgent strategy of bleeding a better-resourced adversary is doomed to fail.
Pulitzer Prize-winning journalist Steve Coll warns that there is no end in sight to America's longest war: "Most of the generals ... say in public, 'There's no military solution to this war.'"
The U.S. military gave no details about the Thursday airstrikes they say killed Sanafi al-Nasr. The Pentagon said he was "a longtime jihadist experienced in funneling money and fighters for al-Qaida."
Nasir al-Wahishi was part of al-Qaida's "old guard," NPR's Alice Fordham reports. He was a veteran of the fighting in Afghanistan and had been Osama bin Laden's personal secretary.
Sjaak Rijke had been seized in Timbuktu along with two other men in November 2011. Dutch Foreign Minister Bert Koenders calls it an end to a "terrible period of uncertainty and grief."