Credit: ISIL-fueled strikes in the United States or against Americans abroad are still possible, but are more likely to occur in Europe, according to U.S. officials.

U.S. officials warn ISIL still capable of surprise attacks; risk higher in Europe

The Hunt: Brussels super cell dismantled

Terrorists changing approach to selecting targets

The Hunt: Terrorists adopt the ‘carjacking’ approach to attacks

Terrorists adopting ‘carjacking’ approach to attacks

Belgian ambassador pushes back against terrorism blame