International Humanitarian Law (IHL)

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Pigeons fly against a darkened, cloudy sky looming over a skyline of mid-rise buildings in the background and a destroyed concrete building in the foreground.

Ukraine and the Special Tribunal for the Crime of Aggression: Redefining International Justice

The tribunal to prosecute Russia's crime of aggression seeks to close one of the most enduring gaps in international criminal law and strengthen the U.N. Charter.
Hegseth is seen in the foreground, walking by a wooden dias where members of the Senate Appropriations Committee are standing and sitting in a wood-paneled room.

Congress Can Act Now on U.S. DoD Inspector’s Report Revealing Violations of Civilian Harm Policy and Law

A Defense Department Inspector General report shows the Pentagon’s failure to prioritize congressionally mandated civilian protection mechanisms amid U.S. military action.
People walk through heavy rubble inside the destroyed courtyard of Al-Zeitoun Preparatory School in Gaza City, following Israeli airstrikes on June 29, 2025. The scene is viewed through metal bars in the foreground.

The ICESCR in Armed Conflict: Submission to the UN Committee on Economic, Social and Cultural Rights

Experts argue ICESCR applies in armed conflict and caution against broad claims of international humanitarian law as lex specialis.
Head of the Shin Bet domestic security service Major General David Zini (L) speaks with Israel's army chief Lieutenant General Eyal Zamir as they wait for a speech by US President Donald Trump at the Israeli parliament, the Knesset, in Jerusalem on October 13, 2025.

“Hunting” the October 7 Attackers: What the Law of Armed Conflict Permits – and What It Doesn’t

Legal analysis of Israel's operation to kill or capture every individual involved in the October 7th massacre.
A wide view of the Security Council meeting on the situation in the Middle East, including the Palestinian question on May 21, 2026. (Via UN Photo) A wide view of the Security Council meeting on the situation in the Middle East, including the Palestinian question on May 21, 2026. (Via UN Photo)

Follow the Law, Not the Plan: Legal Considerations for Third States in Gaza

Third State’s support for Trump’s Gaza plan must remain strictly conditioned on compliance with international law and be continuously reassessed in light of evolving facts.…
Eight F/A-18E/F Super Hornets in the sky

International Accountability for U.S. Crimes in the Caribbean and Pacific

If no one acts, U.S. crimes in the Caribbean and Pacific will embolden other bad actors and encourage more violations of international law.
A man stands in front of a window in daylight, reaching up to check equipment hanging from a ceiling over a gurney-like hospital bed in a damaged room of a maternity hospital. Shattered glass on the floor at the foot of the gurney reflects the light coming through the window.

How the Law of War Can Reckon with Longer-Term Harms of Attacks on Health

When war affects complex and interconnected civilian systems, the full measure of civilian harm lies in what comes after the blast.
Collage of photos, including a young boy, war-torn buildings, people walking, and a hand.

Protecting Civilians in Good Faith: A Joint Symposium on the Updated ICRC Commentary on the Fourth Geneva Convention

Expert authors examine key interpretive issues and selected topics in the updated Commentary on the Fourth Geneva Convention​ on protection of civilians during civil war.
A collage of images featuring scenes from the Russia - Ukraine War.

Just Security’s Russia–Ukraine War Archive

A catalog of over 100 articles (many with Ukrainian translations) on the Russia Ukraine War -- law, diplomacy, policy options, and more.

On Ambassador Waltz’s Defense of Potential Law of War Violations in the Iran Conflict

Three top legal experts analyze Ambassador Mike Waltz's claims about laws of war and US operations in Iran war.

A Primer on Just War Theory and the Iran War

Leading scholar explains just war theory and the Iran war. An assessment of the Trump administration's response to the Catholic Church.
A sign that reads "Protection Desk" stands in front of a low, makeshift shelter of what looks like carpets or brightly colored red fabric suspended over mostly woman and children sitting on the ground or on small ground covers under the shelter. A few buckets and bags sit on the ground around the sign. In the background is a big blue metal corrugated building and further behind to the left is a large soiled white tent. At the right of the image is a tall, white wall extending on the side of the compound.

Fleeing Sudan’s War: Refugees Detail Three Years of Trauma

Three years into Sudan’s war, famine spreads, cities fall under siege, and millions flee. Refugees recount a litany of losses, with no end in sight.
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