Terrorism & Violent Extremism

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

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Elon Musk, left center, and Wendell P. Weeks, right center, listen to President Donald Trump, right, as he meets with business leaders at the White House on Monday January 23, 2017 in Washington, DC. (Photo by Matt McClain/The Washington Post via Getty Images)

Musk, X, and Trump 2024: Where are the Legal and Ethical Boundaries?

Analysis of the ethical and legal lines for social media companies in influencing the outcome of a presidential election, in light of Elon Musk's support for former President Trump.
Ambulances are surrounded by people at the entrance of the American University of Beirut Medical Center, on September 17, 2024, after explosions hit locations in several Hezbollah strongholds around Lebanon amid ongoing cross-border tensions between Israel and Hezbollah fighters.

Law of War Questions Raised by Exploding Pagers in Lebanon

The exploding pagers in Lebanon raise a number of factual and legal questions related to the obligations of the attacker under the law of armed conflict.
Close shot of Donald Trump between the legs of secret service agents with face bloodied

Political Violence in the United States Is Rising – and It Might Be Up to Americans to Say “Enough!”

How does this moment in the United States fit into trends of political violence, and what might be done to reduce the risk of escalation?
The sign is in the colors of the rainbow flag, and the man is surrounded by a crowd of people all looking forward, presumably toward a speaker.

Public-Safety Reform and Preventing Targeted Violence: Two Sides of the Same Public-Health Coin

A call to breakdown silos by jointly addressing targeted violence and other public-safety issues for comprehensive, lasting solutions.
Two armed law enforcement officers stand in a grassy area, watching action off-screen.

The Growing Threat of State Domestic Terrorism Laws to the First Amendment

Since political violence is already criminalized under other state and federal laws, state domestic terrorism laws are arguably unnecessary. These laws create serious, and often…
Members of the D.C. National Guard stand on the steps of the Lincoln Memorial as demonstrators participate in a peaceful protest against police brutality and the death of George Floyd, on June 2, 2020 in Washington, DC.

The Anonymous Military Leaders with the Weight of the Election on Their Shoulders

The legal and ethical frameworks that senior civilian and military leaders need to consider.
In this photo illustration the logo of US online social media and social networking site 'X' (formerly known as Twitter) is displayed centrally on a smartphone screen alongside that of Threads (L) and Instagram (R) on August 01, 2023 in Bath, England. On the top row the logo of online video sharing and social media platform YouTube is seen alongside that of Whatsapp and TikTok. Along the bottom row Facebook, Quora amd Messenger are displayed.

Book Review: A Misinformation Researcher’s Guide to the ‘Carnival of Mirrors’

DiResta’s book, "Invisible Rulers" provides an essential guide to what she calls “the carnival of mirrors” of the information environment.
United States District Court for the District of Columbia

After Immunity: How Judge Chutkan Should Apply Trump v. U.S.—and When

A deep dive into the state of play in United States v. Trump.
The three former political prisoners are laughing as they sit at a table in front of microphones against a blue backdrop displaying the logo of German news agency Deutsche Welle, which organized the press conference.

Magnitsky Sanctions and Political Prisoners: Lessons from the Case of Vladimir Kara-Murza

The US and allies can build on the coordinated Magnitsky-like sanctions in his case to continue turning up the heat on repressive regimes.
WASHINGTON, DC - AUGUST 01: U.S. President Joe Biden speaks from the Blue Room balcony of the White House on August 1, 2022 in Washington, DC. Biden announced that over the weekend, U.S. forces launched an airstrike in Afghanistan that killed al-Qaeda leader Ayman Al-Zawahiri. Zawahiri, 71, took over leadership of al-Qaeda in 2011, shortly after American forces killed Osama bin Laden. The president said there were no civilian casualties. (Photo by Jim Watson-Pool/Getty Images)

A Presidential Proclamation to End the Iraq War: Unilateral Executive Action to Defang a Zombie AUMF

President Biden should proclaim the conflict authorized by the 2002 resolution to be over and determine that it is no longer “necessary and appropriate” to use force for the…
The episode title appears with sound waves behind it.

The Just Security Podcast: How can the U.S. Address Political Violence and Threats?

Rachel Kleinfeld reflects on the threats of political violence in the United States and offers solutions ahead of the 2024 election.
A white sign with blue writing on it reads "Camp Justice" with a blue sky behind it and a U.S. flag flying above.

Revoking the 9/11 Plea Deals: Human Rights Consequences

Defense Secretary Austin's decision to discard the 9/11 plea deals at the Guantanamo military commissions is a missed opportunity for the United States to achieve a rule of law-compliant…
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