Former analyst says his work might have prevented San Bernardino, Orlando
Suicide bombers kill dozens in triple bombing
Analysts skeptical about claims Nigerian army has freed thousands more captives
Despite losing ground to African Union forces, the Islamist militant group continues to spread terror in East Africa
The Niger Delta Avengers are fighting to stop pollution caused by the region’s oil production
Even after the Orlando attack, the culture stays divided
How did Omar Mateen get his weapons, and what did his wife know?
The head of U.S. intelligence says the militant Islamist group poses the greatest threat online
Ardit Ferizi stole data about U.S. service members and gave it to Islamic militants
