Terrorism & Violent Extremism

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

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2,310 Articles
View of an FBI agent from behind wearing a green FBI vest inside the New York Federal Plaza Immigration Court.

How the Alien Terrorist Removal Court Could Be Good for the U.S. Immigration System

DOJ's first-ever use of the Alien Terrorist Removal Court raises due process concerns, but could offer more legitimacy than current immigration proceedings.
The detectives sit in the foreground, the man in a suit jacket, the woman in a blouse, their backs to the camera, across a table from the prisoner, whose hands are folded atop the edge of the table, which is covered with files and photos and a tape recorder. A video recorder on a tripod is to the left.

Effective Interviewing, Not Torture: Lessons from the Méndez Principles Five Years On

The Mendez Principles, drafted to end the use of torture in interrogations, are being implemented variously across regions and institutions.
Wide view of the UN General Assembly Hall showing delegates standing at their desks, with the UN emblem illuminated on the gold wall behind the dias and a large screen displaying the chamber.

After a Failed U.N. Counterterrorism Strategy Review, What Other Paths to Structural Reform?

The U.N.'s periodic review of its counterterrorism strategy again leaves human rights protections weak and its sprawling system unchecked.
In this picture obtained from Iran's ISNA news agency on June 18, 2026, vessels are seen anchored in Bandar Abbas along the Strait of Hormuz.

Expert Q&A: Decoding the Treasury Department’s Actions on Iran

How to understand the Treasury Department's sanctions relief for Iran's oil sector, its quick reversal, and what to look for going forward.
U.S. President Donald Trump addresses the nation from the East Room of the White House on July 16, 2026 in Washington, DC.

No, Trump Can’t Withhold Anti-Terrorism Funds to Pressure States to Change Their Election Rules

The attempt to condition states' counterterrorism funding on changes to election rules is unlawful and likely to be challenged in court.
Security cameras are seen in the foreground as the United States national flag flies at the U.S. Consulate General Guangzhou on July 14, 2026, in Guangzhou, Guangdong Province, China.

AI and Warrantless Foreign Intelligence Surveillance

The use of LLMs for foreign intelligence surveillance erodes the rules put in place to safeguard Americans' civil liberties.
The first order of the Alien Terrorist Removal Court, issued by its Chief Judge Joan Ericksen, on July 16, 2026.

The Alien Terrorist Removal Court’s First Case

Unpacking the Alien Terrorist Removal Court, what we know about its first case, and what to watch for going forward.
Florida Governor Ron DeSantis stands before an American Flag backdrop.

The Dangers of Florida’s New “Terrorist” Designations

Anyone who cares about the First Amendment should be concerned about HB 1471 and the spread of state-level terrorism designation laws.
Two riders on a motorcycle ride from the right of the image to the left, in front of a monument depicting the silhouettes of soldiers in berets, rifles resting against their shoulders, marching from right to left, with one soldier in front holding a flag, also in silhouette, all against a backdrop of a wall painted in wide vertical swaths of green, yellow and red. At the left of the image, in front of the soldier holding the flag, a street vendor displays a large board of indeterminate goods.

Could the United States Make a Difference in Mali?

Washington cannot afford to neglect the lessons of past Sahelian counterinsurgency efforts as it contemplates what form a partnership with Mali’s military should take.
Youths gather in front of a burning barricade on Duncairn Gardens on June 9, 2026 in Belfast, Northern Ireland.

Northern Ireland’s Racist Violence Has a Familiar Playbook

In Northern Ireland, a horrific crime is being manipulated to justify racist violence and the targeting of migrants.
A view of the Knesset, the Israeli Parliament, on October 24, 2023, in Jerusalem, Israel.

The New October 7 Tribunal and the Legitimacy Challenge of Atrocity Adjudication

The tribunal will be judged not only by the verdicts it produces, but by the institutional model of accountability it leaves behind.
U.S. Secretary of State Marco Rubio speaks alongside US Secretary of the Interior Doug Burgum and US President Donald Trump during a cabinet meeting in the Cabinet Room of the White House in Washington, DC, on May 27, 2026. (Photo by Kent NISHIMURA / AFP via Getty Images)

The Pretext Behind the Trump Administration Labeling Cuba a State Sponsor of Terrorism

Cuba is not a state sponsor of terrorism. Its inclusion on the list reflects changing U.S. policy and the Trump administration's politicization of the "terrorist" designation.
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