US Secretary of State Marco Rubio on Friday sharply criticised the International Criminal Court (ICC), asserting that international institutions were weaponising legal frameworks to constrain American power and override decisions made by the United States. Speaking at the Federalist Society's National Lawyers Convention in Washington, Rubio insisted that Americans had never consented to the court's jurisdiction and warned against any attempt to enforce its rulings against US citizens.

Core Argument: Sovereignty Over International Law

Rubio's remarks were framed as a defence of national sovereignty and a broader articulation of the Trump administration's approach to foreign policy and international institutions. He accused international officials and advocacy groups of selectively invoking legal principles to oppose US military actions, border enforcement policies, and domestic decisions. Notably, he did not announce any new sanctions against the ICC or a formal change in the US legal relationship with the court.

The Secretary extended his critique beyond international bodies, accusing certain American judges of using injunctions to advance personal preferences rather than apply the law. He argued that lasting political change required influence not only in elected office but also in universities, the media, and other institutions that shape public discourse.

Praise for the Federalist Society

Rubio praised the Federalist Society for its decades-long role in cultivating lawyers and developing conservative legal thought. He said winning elections alone was insufficient to transform the institutions that govern American life — a signal that the administration views the legal and cultural establishment as a continued battleground.

On Iran, Immigration, and US Engagement Abroad

In response to audience questions, Rubio defended US overseas engagement while insisting that American national interests must remain the guiding principle. He acknowledged that foreign events directly affect US security, markets, and migration patterns.

On immigration, he drew a distinction between entering the United States for economic opportunity and genuinely embracing an American identity, affirming that the country would continue welcoming immigrants while maintaining controls over admission.

Asked about tensions with Iran, Rubio said the primary US objective was preventing Tehran from acquiring a nuclear weapon. He argued that sustained economic pressure had sufficiently weakened Iran to make military action unnecessary at this stage.

The ICC Jurisdiction Question

The United States is not a signatory to the Rome Statute, the treaty that established the ICC. However, the statute contains provisions allowing jurisdiction over nationals of non-member states in specific circumstances — including alleged crimes committed on the territory of a state that has accepted the court's authority. Critics of the court argue this creates overreach; the ICC and its supporters maintain it is a necessary check on impunity.

This is not the first time a US administration has pushed back against the ICC. The Trump administration's first term saw sanctions imposed on ICC officials, a measure later reversed by the Biden administration. The latest rhetoric from Rubio signals a return to that confrontational posture, even without a formal new policy announcement.

How the administration translates this rhetoric into concrete policy — whether through sanctions, diplomatic pressure, or legislative action — will determine the practical impact on US-ICC relations in the months ahead.