Terrorism & Violent Extremism

Just Security provides expert legal and policy analysis of terrorism, counterterrorism, and domestic and international violent extremism.

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2,225 Articles
A picture shows an empty courtroom at Baghdad's Karkh main appeals court building in the western sector of the Iraqi capital on May 29, 2019 where French jihadists accused of belonging to the Islamic state are being tried.

Condemned to Death Abroad: The Case of French ISIS Members in Iraq

Iraq reportedly intends to carry out the execution of seven French nationals who are currently charged with being members of the Islamic State. The Iraqi government has denied…
US Treasury Secretary Steven Mnuchin and Secretary of State Mike Pompeo brief the media on September 10, 2019, at the White House in Washington, DC.

What’s the New Terror Financing Executive Order All About?

Last week, the Trump administration updated E.O. 13224 to expand both State and Treasury’s ability to wield sanctions against terrorists. What are the practical implications…
A collection of FBI rubber stamps reading, “Secret,” “Top secret material attached,” “Confidential material attached,” “Training,” and more.

Constitution Day 2019: The Hidden Domestic Surveillance Crisis

As we mark the 232nd anniversary of the signing of America’s governing charter, we have ample evidence that it continues to be violated by the federal officials charged with…
Protestors led by a coalition of interfaith religious leaders demonstrate against US immigration policy that separates parents from their children, June 23, 2018 outside the Otay Mesa Detention Center in San Diego, California. A sign reads, “Stop caging families,” and many protestors wear shirts reading, “& Vote.”

Fear and Loathing on the Border: A First-Hand Look at the Travesty

Far from the loophole-ridden sieve described by the administration, the asylum system we saw was a Kafka-esque labyrinth designed to punish migrants who dare to exercise their…
FBI agents check vehicles outside the Cielo Vista Mall Wal-Mart where a shooter killed 23 people in El Paso, Texas, on August 4, 2019.

Leaked Documents Contain Major Revelations About the FBI’s Terrorism Classifications

New revelations about the FBI’s classification system for domestic terrorism investigations raise questions about its treatment of the white supremacist threat.
Side by side images of a man leaving flowers at a memorial near the Walmart in El Paso, Texas, where 23 people were killed in a mass shooting on August 16, 2019, and flowers and messages placed on the Lakemba Mosque wall in tribute to the victims of the Christchurch attacks on March 22, 2019 in Sydney, Australia.

18 Years After 9/11, We Face a New International Terrorist Threat

"We as a society should be talking about a new form of international terrorism—white supremacist terrorism—rather than insisting on calling it 'domestic terrorism.'"
Popular Mobilization Forces members stand by a burning truck after a drone attack near Qaim border crossing, in Anbar province, Iraq Sunday, Aug. 25, 2019.

Questions on Legality of Israeli Strikes in Iraq and Lebanon

A flurry of news reports during the final week of August detailed recent Israeli air strikes against Iranian affiliated groups in Iraq, Lebanon, and Syria. The Washington Post…
A graphic details information that goes into the Terrorist Screening Database (TSDB) and informs other databases. Two way arrows are shown connecting the following information and the TSDB. Visas, government benefits, borders, airlines, state and local police, passports, firearms, hazmat, port workers, and special events.

Why a Judge’s Terrorism Watchlist Ruling is a Game Changer: What Happens Next

Leading expert and author of a book on the subject, Jeffrey Kahn explains what happens now that a court declared a major terrorist watchlist unconstitutional.
A U.S. Customs and Border Protection Agent checks an overseas visitor's fingerprints and image in a database January 5, 2004 at JFK airport in New York City.

Q&A on Court Decision Invalidating Administration’s Terrorism Watchlist

Expert Backgrounder on the big questions coming out of the court's ruling. The case involved US citizens. How might the ruling affect foreign nationals? What were the judge's key…
This picture taken on April 19, 2018 shows commuters on mopeds along a street in central Ho Chi Minh City.

Protections Fall for Vietnamese Immigrants as Trump Pushes Deportations

The Trump administration has reinterpreted a 2008 agreement with Vietnam in multiple ways to expand the categories of refugees it can deport. The effort appears to have affected…
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“Domestic Terrorism” Bills Create More Problems Than They Solve

Lack of will and focus are the real impediments to investigating and prosecuting perpetrators. What's more, proposals to expand the definition of “terrorism” could harm activity…
A photo of Serb war crimes suspect Ratko Mladic is held on a poster during a demonstration in front of Serbian Parliament on May 29, 2011 in Belgrade, called by ultra-nationalists against Mladic's arrest late May 26.

The Tit-for-Tat Dynamics of 21st Century Extremism

After two decades of focus on militant jihadist terrorism, a broader understanding is developing of another form of extremism – that of the violent far-right or ultra-nationalist…
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