Terrorism

Akram was not believed to be included in the Terrorist Screening Database, a listing of known or suspected terrorists maintained by the FBI.

In 2001, as the nation mourned those killed on 9/11, the government tried to find its footing to prevent more terrorist attacks. In the 20 years since, the nature of those threats has evolved.

Richard Guadagno died when United Airlines Flight 93 crashed on 9/11. His memory is scattered through his sister Lori's house in items that continue a conversation between the siblings 20 years later.

Presidents' reactions have consistently combined outrage with promises of revenge. The language is remarkably similar. But there has been far less consistency in the delivery of actual retaliation.

The members of the violent radical-left Italian terrorist group active in the 1970s and 1980s were arrested Wednesday after years of living under de facto French asylum.

Journalist Daniel Pearl's beheaded body was found in a shallow grave in the Pakistani port city of Karachi in 2002. The murder conviction of Ahmed Omar Saeed Sheikh was overturned last year.

Some say it's the precise word to describe the actions of the pro-Trump extremists who stormed the Capitol on Jan. 6. But others warn its use will do more harm than good.

Russ Travers was ousted from the National Counterterrorism Center in March. In his first broadcast interview since then, he warns that the U.S. risks becoming less prepared for a terror attack.

A 25-year-old man stabbed several park-goers with a knife, killing three of them. The U.K.'s Counter Terrorism Policing unit has declared it a terrorist incident and is taking over the investigation.

Eight multinational corporations have been accused of making "protection payments" to terrorists, so that their businesses would be left alone.

The shooter was an officer in Saudi Air Force who was a student at the Naval Air Station Pensacola. The FBI said the Saudi government has pledged its cooperation.

"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.