Terrorism & Violent Extremism
Counterterrorism
780 Articles

The Dangerous Foreign Intelligence Exception Loophole in the Hasbajrami Decision
The Hasbajrami decision’s expansive view of the FISA foreign intelligence exception threatens to swallow the rule that the Fourth Amendment's warrant requirement applies to U.S.…

Visa Revocations Disregard South Sudan War Risks, Overlook U.S. Communities’ Embrace of Refugees
The breadth and depth of support for South Sudanese across red and blue states has origins in evangelical backing for the young country.

The Missing Due Process for Gang Allegations
There is a long history of immigration agencies using tattoos and a set of notoriously flawed gang databases to bring false or weak claims of gang involvement.

U.S. AI-Driven “Catch and Revoke” Initiative Threatens First Amendment Rights
The State Department's AI-enabled "Catch and Revoke" initiative will dissuade individuals from exercising First Amendment-protected activities.

5 Big Questions in the Alien Enemies Act Litigation
Major legal issues following Chief Judge Boasberg's ordering a temporary block to the presidential proclamation.

Explainer on First Amendment and Due Process Issues in Deportation of Pro-Palestinian Student Activist(s)
Legal experts explain First Amendment and Due Process rights in case of Mahmoud Khalil and potential deportations of other pro-Palestinian protestors.
![US representative Zalmay Khalilzad (left) and Taliban representative Abdul Ghani Baradar (right) sign the agreement in Doha, Qatar on February 29, 2020. [State Department photo by Ron Przysucha/ Public Domain]](https://i0.wp.com/www.justsecurity.org/wp-content/uploads/2025/03/Doha-Agreement-e1741695812100.jpg?fit=1024%2C683&ssl=1)
Legal Implications of the Doha Agreement: Prospects Under a Second Trump Presidency
The fifth anniversary of the Doha Agreement highlights its profound impact on Afghanistan's trajectory.

Israel’s Pager Operation: Not an Indiscriminate Attack But a Strategic Success
Israel's pager operation was not an indiscriminate attack. It was a strategic operation that achieved its objective.

How DHS Laid the Groundwork for More Intelligence Abuse
The DHS I&A's new guidance validates an expansive view of legal authorities that permit abusive counterterrorism and surveillance powers.

In a New Era for Syria, States Must Take Responsibility for Their Islamic State-Affiliated Prisoners and Families
It is a matter not only of justice, law, and human dignity, but also an obligation to relieve Syrians of this war legacy as they rebuild their society.

Oversight Board’s Watchlist Report Underscores Need for Major Overhaul
The PCLOB's release of its report on terrorist watchlists makes it clear that sweeping changes to the watchlist system are long past due.

Trump’s Doubly Flawed “Invasion” Theory
The president is wrong about what an invasion is—and what powers it triggers.