Counterextremism and Counterterrorism Initiative

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A police officer responds to a shooting at Evergreen High School on September 10, 2025 in Evergreen, Colorado. At least three students, including the suspected shooter, were injured in the attack. (Photo by Michael Ciaglo/Getty Images)

Correctly Assessing Left-Wing Terrorism and Political Violence in the United States

A recent published report risks feeding false narratives about political violence and polarization.
Right-wing white nationalists hold flags with signs like "white pride worldwide."

A New Approach in the Fight Against Transnational Violent Extremism is Needed

If the U.S. and foreign partners could strategically deploy their counterterrorism programs to deliberately target a common enemy, all would mutually benefit.
Police maintain a presence outside a command center holding evacuated students following the lockdown of the school after a call of an active shooter on March 29, 2023 in Pittsburgh, Pennsylvania. Many schools, including Oakland Catholic and Pittsburgh Central Catholic, were targeted as part of what authorities are calling "computer-generated swatting calls." Many agencies, including state and municipal police, are conducting investigations. (Photo by Jeff Swensen/Getty Images)

Swatting Attacks and Nihilistic Violent Extremism: A Primer

Swatting attacks are sometimes dismissed as pranks or hoaxes. But they’ve wreaked havoc on college campuses this year and a network of extremists is behind many of them.

Assassinations in America: How Political Violence Became Personal

Americans can no longer turn to their political leadership to avert the catastrophe of political violence.

Children, Young People and the Emerging Terrorism Threat Landscape

Prevention efforts must shift toward a model that addresses the systemic drivers and underlying causes of youth vulnerability to violent extremism.
U.S. President Donald Trump signs an Executive Orde

Repression as Rescue: The Authoritarian Logic of Trump’s Early Executive Orders

The rhetorical threats Trump employed during his campaign are directly echoed in the titles and content of his second-term EOs.
The Just Security Podcast Cover Image

The Just Security Podcast: Misogyny’s Role in Violent Extremism

Cynthia Miller-Idriss joins Tom Joscelyn to discuss her new book, Man Up: The New Misogyny and the Rise of Violent Extremism.
Right-wing white nationalists hold flags with signs like "white pride worldwide."

How Misogyny Fuels Violent Extremism

Taking a closer look at where misogynist beliefs come from can help shed light on the pathways to violence — and how to interrupt them.
Taliban personnel shout slogans as they celebrate the fourth anniversary of their takeover of Afghanistan near the Kabul Polytechnic University in Kabul on August 15, 2025. (Photo by WAKIL KOHSAR/AFP via Getty Images)

The Experience of Time and Tyranny Under the Taliban in Afghanistan

The clock may seem to tick at the same rate for everyone, but its rhythm is felt differently under the weight of the Taliban's draconian rule.
Demonstrators take part in a protest in front of the European Commission representation in Warsaw demanding more restrictive sanctions against Russia and arms supplies for Ukraine on January 8, 2024. (Photo by WOJTEK RADWANSKI/AFP via Getty Images)

It’s Time to Designate The Base as an FTO

With increasing violent extremism and waning DOJ interest in curbing far-right extremism, a failure to address the threats posed by The Base could prove fatal.
n this photo illustration, the logo of Meta Platforms, Inc. is displayed on a smartphone screen, with the company's latest stock market performance and candlestick chart visible in the background.(Photo illustration by Cheng Xin/Getty Images)

Vague by Design? The Oversight Board, Meta’s DOI Policy, and the Kolovrat Symbol Decision

The Oversight Board's Kolovrat decision reveals more than a dispute over a symbol—it lays bare the deep fault lines in Meta’s content moderation architecture.
Syrian President Ahmed al-Sharaa speaks during a joint press conference with French President after a meeting at the Elysee Palace in Paris, on May 7, 2025. (Photo by STEPHANIE LECOCQ/POOL/AFP via Getty Images)

Understanding the Trump Administration’s Delisting of Hay’at Tahrir al-Sham

On July 8, the Department of State removed Hay’at Tahrir al-Sham (HTS), also known as Jabhat al-Nusrah, from the Foreign Terrorist Organization (FTO) list. In a press release…
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