Steve Lewis: Previously on Inside the FBI, we looked back at the investigation that led to the arrest of Ted Kaczynski, better known as the Unabomber—one of the nation’s most notorious domestic ...

Simon Peres’ handwritten notes recall, half a century later, an international operation that marked the life of the country’s ...

Add Yahoo as a preferred source to see more of our stories on Google. WASHINGTON (Reuters) - The U.S. military has completed a "successful counter-terrorism mission" in partnership with El Salvador, a ...

Troops sent to Nigeria to fight the Islamic State are leaving, but U.S. Africa Command said that intelligence sharing would continue.

COMBAT OUTPOST ANDAR, Afghanistan — Defense Secretary Robert M. Gates on Monday came out against a swift shift to a smaller counterterrorism mission for U.S. troops in Afghanistan, telling soldiers ...

‘A SUCCESSFUL COUNTERTERRORISM MISSION’: The first word of the weekend operation came in a cryptic, early afternoon statement released by the Pentagon and attributed to Defense Secretary Pete ...

WASHINGTON – President Donald Trump updated the country’s counterterrorism policy aiming to combat ideological groups abroad such as Al Qaeda and ISIS while fighting violent extremists at home.