An Italian engineer, residing in Rome his entire life, was detained in early 2026. The cause? An extradition request from a non-EU country. While the Italian Constitution usually prohibits extraditing its citizens, the applicable treaty had a crucial exception for specific financial crimes. His legal team faced a complex battle, weighing a constitutional challenge against the stark terms of a binding international agreement.
Yes. But it’s complicated. A country can extradite its own citizens, but whether it actually will depends entirely on its own laws and the specific treaty involved. There’s no single global rule. Many nations constitutionally forbid extraditing their nationals. Others, like the U.S. and UK, permit it as a matter of policy to ensure criminals can’t simply hide at home. The final answer always hinges on the laws of the country where the person is found.
Extradition is the formal legal process by which one sovereign country (the requested state) surrenders a person found within its borders to another sovereign country (the requesting state) for prosecution, sentencing, or to serve a sentence.
What Does It Mean to Extradite a Citizen, and Why Is It So Controversial?
Extradition is a cornerstone of international law enforcement. It’s what stops fugitives from finding a safe haven just by crossing a border. But when the fugitive is a citizen of the country asked to surrender them, a serious legal and political conflict erupts.
The controversy stems from two competing principles:
- A State’s Duty to Protect Its Nationals: Many legal systems historically viewed handing over a citizen to a foreign power as a betrayal. This was rooted in national allegiance and a deep distrust of foreign courts, which might not offer the same rights and protections as the citizen’s home country.
- The Need for International Justice: In our globalized world, transnational crimes—from complex financial fraud to terrorism—demand robust international cooperation. If countries refuse to extradite their own, they risk becoming safe havens for people accused of serious crimes, undermining the entire system of global justice.
This tension gave rise to the principle of aut dedere aut judicare. It’s a Latin phrase meaning “either extradite or prosecute.” Now a feature of many modern treaties, it suggests that if a country refuses to extradite its own national, it must then submit the case to its own prosecutors for a domestic trial.
Is There a Universal Rule on Extraditing Nationals?
No. There isn’t one. Global practice is deeply divided, generally falling into three categories based on a country’s constitution, domestic law, and its web of extradition treaties.
- Countries that Prohibit Extradition of Nationals: A significant number of nations, particularly those with civil law traditions, have constitutional or statutory bans on extraditing their citizens. Germany, Brazil, and France are prominent examples. For them, nationality is an absolute barrier.
- Countries that Permit Extradition of Nationals: Others, primarily in the common law tradition like the United States, the United Kingdom, and Canada, allow it. Their policies prioritize international cooperation and see no fundamental reason to treat fugitives differently based on their passport.
- Countries that Permit Extradition Under Conditions: A large middle group allows the surrender of citizens, but only under specific circumstances. For instance, extradition might be restricted to certain crimes, depend on reciprocity (they’ll do it if you do it), or require guarantees that the person will be returned to serve any sentence in their home country.
This division often creates diplomatic friction. When a country refuses to hand over a citizen, the requesting state may see it as an obstruction of justice, souring international relations.
How Do the U.S. and UK Handle Extraditing Their Own Citizens?
The United States and the United Kingdom stand out as major jurisdictions that allow the extradition of their own nationals. Their approach is driven by policy, not prohibition.
United Kingdom: The UK government’s official policy is blunt: “The UK will, as a matter of policy, extradite its own nationals, providing no bars to extradition apply.” This means a British citizen sought for a crime abroad faces the same process as a foreign national. The decision won’t turn on their citizenship, but on whether legal roadblocks—like human rights concerns or evidence of political motivation—exist.
United States: U.S. law is explicitly permissive here. Federal statute 18 U.S.C. ch. 209 addresses the scenario directly. It clarifies that even if an extradition treaty does not force the U.S. to surrender its citizens, the Secretary of State still has the discretion to do so if all other treaty conditions are met. This is a clear policy choice to facilitate justice rather than shield citizens. For the U.S., the treaty is king, not nationality.
What Is Interpol’s Role in the Extradition of a Citizen?
Many people believe Interpol issues international arrest warrants or handles extraditions. This is a myth. Interpol’s role is strictly limited to helping police forces talk to each other.
According to its own Interpol Constitution, the organization is an information-sharing channel. It has no agents. It cannot make arrests. It cannot enforce laws. The question, “Can INTERPOL Make Arrests Anywhere?“, is one we see often, and the answer is a firm no.
The primary tool used is an Interpol Red Notice. A Red Notice is not an international arrest warrant. It is a request to law enforcement worldwide to locate and provisionally arrest a person while the legal process for extradition gets underway. The notice is issued at the request of a member country and must be based on a valid national arrest warrant.
Challenges related to Interpol, therefore, don’t target the extradition itself. They target the data. An individual can ask the Commission for the Control of Files (CCF) to delete a Red Notice, arguing that it violates Interpol’s Rules on the Processing of Data—for example, if the request is politically motivated or stems from a private civil dispute. While a successful data removal doesn’t stop the extradition, it can cripple the requesting country’s ability to track the person internationally. You can learn more from an “INTERPOL data removal lawyer”.
What Are the Common Legal Bars to Extraditing a Citizen?
Even in countries like the U.S. and UK that surrender their citizens, extradition is never a rubber stamp. The request goes through judicial review, where courts look for “bars to extradition”—solid legal reasons to say no. Nationality is just one piece of the puzzle.
Other common bars include:
- Political Offence: Extradition is often refused if the crime is political. A “political offence exception extradition lawyer” can argue that the case is really about persecuting someone for their beliefs, not about actual criminal justice.
- Human Rights: Extradition will be blocked if there is a real risk the person will face the death penalty, torture, or inhuman or degrading treatment. The European Court of Human Rights (ECHR) has a long history of stopping extraditions on these grounds.
- Double Jeopardy (Non bis in idem): A person can’t be extradited if they have already been tried—and convicted or acquitted—for the exact same offence.
- Lack of Dual Criminality: For an extradition to proceed, the act must be recognized as a crime in both the requesting country and the country holding the person.
But what if extradition is denied *only* because of nationality? Many modern treaties obligate the requested state to start a prosecution domestically. This “extradite or prosecute” rule is meant to ensure people don’t escape justice because of their passport. Whether such a prosecution actually happens, however, depends heavily on the political will and legal capacity of that country. An “extradition appeal lawyer can challenge your removal” based on these and other complex legal arguments.
⚠️ Time is critical — every day matters
Get a free case assessment
Our team specialises in cases with an international element. We review applicable treaties, assess risks, and prepare an action plan.
🔒 Confidential · Response within 24h · No obligation
Frequently Asked Questions
Which countries do not extradite their own citizens?
While laws evolve, countries with strong constitutional or statutory prohibitions on extraditing their nationals include Brazil, Germany, France, the Russian Federation, and China. In practice, this means they often have legal frameworks requiring them to prosecute the individual domestically for the alleged foreign crime instead.
Can a US citizen be extradited from another country?
Yes. Absolutely. A U.S. citizen in a foreign country is subject to that country’s laws and its extradition treaties with other nations. While the U.S. government may offer consular assistance—basic help like providing a list of local lawyers—it cannot legally prevent a sovereign foreign government from carrying out a lawful extradition to a third country.
What is the difference between extradition and surrender?
“Extradition” is the classic term for the formal process between two sovereign states. “Surrender” is the term now used within the European Union for the faster, more streamlined process under the European Arrest Warrant (EAW). While they are technically different legal mechanisms, the terms are often used interchangeably to describe the physical act of handing a person over.
What happens if extradition is denied?
When a court denies an extradition request, the immediate outcome is release from custody. But this is a critical point: the person is only released from the hold tied to that specific extradition warrant. If there are separate, local charges pending, they could still be detained. The fight isn’t necessarily over. Depending on the reason for the denial—say, the person is a citizen of the country that refused the request—that country might be obligated by treaty to prosecute the case themselves. The requesting country also has options. They might try the individual *in absentia* or, more commonly, simply wait. They’ll wait for the person to travel to a different country, one with a more favorable treaty, and then file the request all over again. Suddenly, your world gets much smaller.
