Counterterrorism investigation leads to arrest of Pennsylvania man accused of weapons of mass destruction charges. Neighbor's ...

A federal grand jury indicted four suspected members of the Turtle Island Liberation Front on terrorism-related felonies.

What is the Turtle Island Liberation Front? What are its politics? The Times reviewed court documents, social media and public records to learn more about the group.

Prosecutors also alleged that the Afghan refugee tried to buy even more guns before his attack on American troops on Nov. 26.

Search history shows that Abdullah accelerated his attack planning by researching "Delta flights" and the "Tallest building ...

A 20-year-old Sarasota man was indicted after authorities found an illegal firearm, extremist materials and a written plan ...

On my Sirius XM program, I discussed the almost comical hearing this month in which a top FBI official, flanked by ...

Breaking transatlantic ties and punishing and rewarding Latin American nations, Donald Trump makes a tectonic shift in ...

A Kenyan national and operative for the terrorist organization al-Shabaab will spend the rest of his life in prison after a ...