Terrorism

This image provided by the U.S. District Court in Maryland shows firearms and ammunition in the case against Coast Guard Lieutenant Christopher Paul Hasson.

The Military Is Cracking Down on Immigrant Recruits. But Advocates Say It's Ignoring a White Nationalism Problem

Civil rights advocates say the arrest of a Coast Guard lieutenant charged w...

Civil rights advocates say the arrest of a Coast Guard lieutenant charged with planning a massive domestic terrorist attack show the military has allowed a problem with white nationalism in the ranks to fester while...

This courtroom sketch shows defendants Azamat Tazhayakov, left, Dias Kadyrbayev, center, and Robel Phillipos, right, college friends of Boston Marathon bombing suspect Dzhokhar Tsarnaev, during a hearing in federal court Tuesday, May 13, 2014, in Boston.

Friend Who Helped Boston Bomber Get Rid of Evidence Deported to Kazakhstan

A friend of one of the Boston Marathon bombers has been deported to Kazakst...

A friend of one of the Boston Marathon bombers has been deported to Kazakstan after serving time in federal prison. Dias Muratovich Kadyrbayev, a 24-year-old Kazakh citizen, and two of bomber Dzhokhar Tsarnaev's other close...

A man takes a moment at each of the Star of David memorials with the names of the 11 people who were killed at the Tree of Life synagogue two days after a mass shooting in Pittsburgh, Pennsylvania, on Oct. 29, 2018.

How Big a Role Does Social Media Play in Homegrown Terrorism?

In the 17 years since the 9/11 attacks, America’s tendency has been to look...

In the 17 years since the 9/11 attacks, America’s tendency has been to look outside of its borders for the looming threat of violent extremism. Yet a sense of guilty introspection swept over the country...

Federal authorities took Cesar Sayoc, 56, of Aventura, Fla., into custody Friday, Oct. 26, 2018 in Florida in connection with the mail-bomb scare that earlier widened to 12 suspicious packages, the FBI and Justice Department said.

Twitter Apologizes for Mishandling Reported Threat From Mail-Bomb Suspect

“We are deeply sorry for that error”

At left, A bomb disposal technician carries a package out of a U.S. Post Office facility at 52nd Street and 8th Avenue in Manhattan, October 26, 2018 in New York City.

Mail Bombs Rocked American Politics a Century Ago. Here's What a Historian Thinks That Moment Has to Teach Us

In 1919, three dozen prominent figures were the targets of a coordinated ma...

In 1919, three dozen prominent figures were the targets of a coordinated mail-bomb campaign

What to Know About Cesar Sayoc, the Mail Bomb Suspect

Federal authorities arrested Cesar Altieri Sayoc Jr. on Friday

Authorities are seen in Plantation, Florida taking a man into custody in connection to the mailed package bombs.

'These Are Not Hoax Devices': FBI Warns More Explosives Could Be in Mail After Making Arrest

The Department of Justice confirmed one person has been taken into custody ...

The Department of Justice confirmed one person has been taken into custody Friday morning.