Hours before dawn on March 1, 2003, the U.S. scored its most thrilling victory yet against the plotters of the Sept. 11 attacks — the capture of a disheveled Khalid Shaikh Mohammed, hauled away by intelligence agents from a hideout in Rawalpindi, Pakistan.

Two neo-Nazi group members were sentenced on Thursday to nine years in prison each in a case that highlighted a broader federal crackdown on far-right extremists.

Kenosha County authorities are considering terrorism charges against a juvenile accused of threatening to shoot up a grade school.

A Wisconsin mother of seven has agreed to plead guilty to trying to plan terrorist attacks on behalf of the Islamic State by distributing information on making explosives and biological weapons.

The package bombs sent to Democrats across the country and the killings of Jews at a Pittsburgh synagogue may seem like clear-cut cases of terrorism. But the suspects will almost certainly never face terrorism charges.

A Wisconsin woman accused of trying to plan terrorist attacks using hacked social media accounts has pleaded not guilty to charges against her.