terrorism

Former U.S. Solicitor General Ted Olson speaks with Sacha Pfeiffer about his change of heart on Guantánamo and his belief that the 9/11 case should be settled rather than taken to trial.

A bill to repeal authorization of the use of force in Iraq has cleared a procedural hurdle in the Senate. A final vote in the chamber could come near 20th anniversary of the U.S. invasion of Iraq.

An official inquiry found that MI5, Britain's domestic intelligence agency, didn't act quickly enough on information that provided an opportunity to prevent the attack.

The bombing of Pan Am Flight 103 killed 270 people, including 190 Americans, and launched a decades-long international manhunt for the attackers.

An Islamic militant convicted of making the explosives used in the bombings that killed over 200 people was paroled after serving about half of his original 20-year prison sentence.

Police said that a University of Utah student threatened to detonate a nuclear reactor if the school's football team failed to win a game last Saturday.

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.

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.

Al-Zawahiri was deeply involved in the planning of 9/11, and led the organization after bin Laden was killed in 2011. He died in a U.S. drone strike in Afghanistan on Sunday.

President Joe Biden said a strike carried out by the U.S. has killed Ayman al-Zawahiri, a top Al-Qaida leader and key plotter in the 9/11 attacks.