Terrorism

Border declaration, terrorist designations unlock new options—and new risks

President Trump declares a national emergency and vows to designate transnational gangs, drug cartels as terrorists.

New Orleans attack a reminder of ongoing ISIS threat

Diminished terror groups still able to radicalize stateside, official says.

Lone-wolf attacks have become a hallmark of post-caliphate ISIS

The group's propaganda inspired the New Orleans attack, which proceeded without direct operational support.