Customary International Law

× Clear Filters
140 Articles
A tanker is docked at an offloading terminal.

Taking a Toll

How allowing Iran to charge for transit in the Strait of Hormuz could undermine U.S. strategy in the Pacific and beyond
Woman sitting down, holding an AK-47 in her lap, in a military base hidden among the mountains in Khalifa, Erbil Province, Iraq.

The International Legal Consequences and Imprudence of U.S. Assistance to Kurdish Rebels in Iran

U.S. policies of funding rebel groups to achieve shared strategic objectives while turning a blind eye to ideology and international law has proven to be myopic time and again
Three cone shaped flags on poles, Israel, Iran, United States, isolated on a transparent background (via Getty Images).

Expert Q&A: A Targeting Primer on the Iran War

Leading legal experts' Q&A analyzes how the law of armed conflict applies to U.S., Israeli, and Iranian strikes - with a focus on targeting rules and civilian protections.
Wide shot ​view of the entrance to Abu Ghraib prison west of Baghdad ​on May​ 2, 2004, showing high concrete walls, a central gate, and a watchtower under a hazy sky​.

Fourth Circuit Affirms $42 Million Jury Verdict in Abu Ghraib Case

​In Al Shimari,​ the Fourth Circuit affirmed ​two Alien Tort Statute claims: conspiracy to commit torture and conspiracy to commit cruel, inhuman, and degrading treatment.

Aggression, Plain and Simple: A Response to Shany and Cohen on the Attack on Iran

Legal academics debate the state of international law and international institutions in light of the US-Israel-Iran War.
Heavily armed law enforcement patrol outside the Metropolitan Detention Center (MDC) where Venezuelan President Nicolas Maduro is being held before his trial on January 4, 2026 .

Is President Maduro a Prisoner of War?

Three theories by which POW status might attach to a person in Maduro’s position, and the consequences of entitlement to that status.
CARIBBEAN SEA - SEPTEMBER 22: In this handout provided by the U.S. Navy, An AH-1Z Cobra, assigned to Marine Medium Tiltrotor Squadron (VMM) 263 (Reinforced), fires an air-to-ground missile (AGM) 114N during a live-fire exercise on September 22, 2025 in the Caribbean sea.

Using an Unmarked Aircraft to Attack an Alleged Drug Boat: Is it Perfidy?

Did the Sept. 2 strike on suspected drug traffickers using an unmarked aircraft violate the prohibition on perfidy, or other LOAC rules, had there been an armed conflict?
black and white image of the sworn statement of witnesses verifying the departure statement of Wong Kim Ark

Jurisdiction, Territorial Sovereignty, and the Fourteenth Amendment

A long line of authority holds that persons or things within a country’s territorial borders are subject to its jurisdiction.
Image of a tree rings with associated dates

Pax Americana: How Not to Hide an Empire

The international order worth fighting for is a radically different world altogether.
Kyiv buildings at night with explosions in the sky

The Voices from Kyiv: Is the World Legal Order in Decay?

The Russian invasion of Ukraine, and states’ reactions to it, are setting the stage for possible changes to the international legal order. In the end, this is a battle for a…
Kyiv buildings at night with explosions in the sky

Голоси з Києва: чи це епоха руйнування світового правопорядку?

Існують різні переломні точки в історії, які визначили метаморфозу міжнародного правопорядку.
Historical map featuring Greenland

More Territory, More Problems: Can Trump Seize Greenland?

An essay on the lessons for the Trump administration of territorial acquisition from the McKinley era and the dangers it would pose today.
1-12 of 140 items

DON'T MISS A THING. Stay up to date with Just Security curated newsletters: