Terrorism & Violent Extremism

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

Highlights:

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.

Collection: U.S. Lethal Strikes on Suspected Drug Traffickers, Operation Southern Spear, Operation Absolute Resolve

Collection of expert analysis on the legality of the U.S. strike on Venezuelan vessels in the Caribbean, the consequences of the strike, and related issues.
Two soldiers in the foreground wearing fatigues and olive green caps place flags in front of each of the small, white headstones lined up along the green spring grass under leafy trees at Arlington National Cemetery Arlington, Virginia.

To Memorialize the Fallen, Renew the Pursuit of Peace

This Memorial Day, to honor the memory of those who gave their lives in war, Americans should consider how to help mold a more peaceful future at home and abroad.
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2,262 Articles

How the Domestic Terrorist Label Endangers Rights and Drives Extremist Violence

Prepared congressional testimony for a Senate hearing that was postponed.

Collection: Counterextremism and Counterterrorism Initiative

Introducing Just Security's new Collection on the evolving threats of violent extremism and terrorism.

The Just Security Podcast: Murder on the High Seas Part V

Tess Bridgeman and Rachel Goldbrenner are joined by Rebecca Ingber and Brian Finucane to examine escalating U.S. strikes on suspected drug traffickers.
Backside of an officer, wearing a vest that reads: "POLICE COUNTERTERRORISM."

The U.S. Shouldn’t Lose Sight of the Real Terrorist Threats

As the Trump administration portrays far-left activists and drug cartels as major terrorist threats, the most dangerous foes are plotting.
A column of black smoke rises above buildings as traffic, mostly motorcycles, pass in the foreground.

Insurgent Offensive in Mali Exposes the Deficiencies of Junta-led Security in the Sahel

Recent militant attacks that killed Mali's defense minister challenge the proposition of the region's juntas that Russia could be a better security partner than the West.
Armed Secret Service agents stand on stage

To Counter Rising Political Violence, America Needs to Reinforce Its Early Warning Infrastructure

Stakeholders must reinforce U.S. monitoring and response infrastructure to address growing risks of political violence.
Zouev looks on from left as Gherman speaks, both sitting at a desk behind name plates and in front of other officials, some of them wearing translation headsets.

In the U.N.’s Counterterrorism Strategy Review, the Imperative of Global South Civil Society Participation

As the counterterrorism strategy review unfolds, the U.N., member states, and NGOs should take action to deepen civil society’s role, especially from the Global South.
Federal agents block people protesting an ICE immigration raid at a nearby licensed cannabis farm on July 10, 2025 near Camarillo, California. Protestors stood off with federal agents for hours outside the farm in the farmworker community in Ventura County. A Los Angeles federal judge is set to rule Friday on a temporary restraining order which would restrict area immigration enforcement operations. (Photo by Mario Tama/Getty Images)

Is the Government Using Counterterrorism Surveillance Tools to Surveil American Companies?

Section 702 surveillance and parallel construction may be quietly driving aggressive ICE workplace raids, hiding constitutional violations from workers and businesses.
Mourners hold their candles in the air during a moment of silence during a vigil to mark one week since the mass shooting at the Route 91 Harvest country music festival, on the corner of Sahara Avenue and Las Vegas Boulevard at the north end of the Las Vegas Strip, on October 8, 2017 in Las Vegas, Nevada. (Photo by Drew Angerer/Getty Images)

No, There Isn’t a Trans Shooter Problem

Reactions to mass shootings often fixate on gender identity, ignoring extremist ideologies. This misplaced focus fuels scapegoating and deepens division.
Wideshot view of United Nations Security Council meeting.

Global Governance of Emerging Technologies: Counterterrorism Challenges at the United Nations Security Council

How the UN Security Council governs emerging technologies amid rising terrorist threats, balancing innovation, security, and human rights.
US Special Envoy Thomas Barrack and US Ambassador to Lebanon Lisa A. Johnson met with Lebanese Prime Minister Nawaf Salam at Salam's office in Beirut, Lebanon, on July 21, 2025. (Photo by COURTNEY BONNEAU/Middle East Images/AFP via Getty Images)

Washington Is Backing the Wrong Lebanon Strategy

The U.S. should link Lebanese state-building and Hezbollah disarmament through a political process, not war, to secure a durable Israel-Lebanon ceasefire.
Protesters hold placards outside the Red Cross offices in Ramallah, in the Israeli-occupied West Bank, on March 31, 2026, during a rally against a bill approved by Israel's parliament that would allow the execution of Palestinians convicted on terror charges for deadly attacks. Israel's parliament approved a bill on March 30, that would allow the execution of Palestinians convicted on terror charges for deadly attacks. (Photo by Zain JAAFAR / AFP via Getty Images)

Statement by Israeli International Law Scholars Concerning Israel’s New “Death Penalty for Terrorists” Law

Leading Israeli international law scholars' statement on how new Israeli death penalty law for certain terrorism crimes "violates basic rules of international law."
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