The United States generally cannot arrest someone in another country on its own authority. American agents have no police powers on foreign soil, so bringing a fugitive back requires the cooperation of the country where that person is located, almost always through extradition under a treaty. A handful of alternatives exist when a treaty doesn’t, and a few edge cases sit outside the normal process entirely, but the baseline rule is that U.S. law enforcement acts abroad only with the host government’s consent.
Why U.S. Agents Can’t Just Make the Arrest
Every country has exclusive authority over what happens inside its borders. That principle of international law means the FBI, DEA, or any other U.S. agency cannot fly into another country and arrest someone the way they would in Chicago or Miami. Doing so without permission would violate the host country’s sovereignty and risk a diplomatic crisis. Any law enforcement action by American agents on foreign soil requires the consent and cooperation of the local government.
That constraint shapes every tool the U.S. has. Extradition treaties, INTERPOL alerts, joint investigations, and even controversial workarounds all operate within, or around, the rule that one country cannot exercise police power inside another uninvited.
Extradition Is the Normal Route
The usual way the U.S. secures the return of a fugitive is through an extradition treaty. These bilateral agreements spell out the procedures for surrendering people accused or convicted of crimes, and the U.S. has them with more than 100 countries. Because the Constitution reserves treaty-making to the federal government, states cannot negotiate their own.1Office of the Law Revision Counsel. 18 USC 3181 – Scope and Limitation of Chapter
Dual Criminality
Almost every extradition treaty requires “dual criminality.” The alleged conduct has to be a crime punishable by at least a year in prison under the laws of both countries.2U.S. Department of State Foreign Affairs Manual (FAM). 7 FAM 1610 – Introduction That prevents a country from being forced to hand someone over for behavior that’s legal on its own territory. If the conduct doesn’t meet the test, the treaty usually can’t be used.
Common Grounds for Refusal
Treaties also list reasons a country can say no. The “political offense exception” shields people from being surrendered for acts like treason or sedition aimed at changing a political system. Modern treaties have narrowed that exception to exclude terrorism and assassination, but the core principle survives in many agreements.
The death penalty is another common sticking point. Most modern U.S. extradition treaties let the requested country refuse extradition where the offense carries a possible death sentence. In practice, the U.S. often overcomes this by giving diplomatic assurances that the death penalty will not be sought or, if imposed, will not be carried out.3Library of Congress. Assurances on Death Penalty and Life Imprisonment Cases Some countries also refuse to extradite their own nationals, choosing to prosecute them at home instead.
The Rule of Specialty
Once someone is extradited, the receiving country cannot pile on charges unrelated to the original request. This “rule of specialty” appears in virtually every treaty, and it limits U.S. prosecutors to the offenses described in the extradition warrant.4Office of the Law Revision Counsel. 18 USC 3192 – Protection of Accused If new evidence surfaces later, prosecutors have to go back to the surrendering country and request a waiver before adding charges.2U.S. Department of State Foreign Affairs Manual (FAM). 7 FAM 1610 – Introduction The Secretary of State handles that request after consulting the Justice Department. The defendant can also waive the protection voluntarily.
How an Extradition Request Actually Moves
Extradition is slow. Contested cases routinely take years because the request has to move through two countries’ legal and diplomatic systems.
It starts when a U.S. prosecutor gets an arrest warrant and puts together a formal request package. That package goes to the Department of Justice’s Office of International Affairs, which checks it against the treaty’s requirements.5U.S. Department of Justice. Frequently Asked Questions Regarding Extradition From there it goes to the State Department for a review focused on foreign policy and treaty compliance,6United States Department of Justice. Criminal Resource Manual 612 – Role of the Department of State in Foreign Extradition Requests then to the foreign country through diplomatic channels, usually via the U.S. Embassy.
At that point the process moves into the foreign country’s legal system. Local authorities examine the request, and a court typically holds a hearing. Court approval isn’t always the final word: in many countries, the ultimate decision to surrender the person rests with the executive branch, such as a minister of justice. Only after that approval can U.S. personnel take custody. The U.S. Marshals Service is the agency authorized to receive fugitives from foreign authorities and transport them back.7eCFR. 28 CFR Part 0 Subpart T – United States Marshals Service
What Happens When There’s No Treaty
Several major countries have no extradition treaty with the United States. China and Russia are the most prominent. Without a treaty framework, U.S. authorities have to get creative, and none of the workarounds are guaranteed to succeed.
One approach uses the host country’s own immigration laws. If the fugitive has violated local immigration rules, U.S. officials can encourage that country to deport the person. In coordinated cases, the deportee ends up on a flight to the United States and is arrested on arrival. This is sometimes called “disguised extradition.” It gets results, but it operates in a legal gray zone that courts and commentators have questioned.
Another strategy is luring the target to a friendlier jurisdiction. American authorities may try to draw a fugitive into a third country that does have an extradition treaty with the U.S., where a provisional arrest warrant can be executed. In some operations, targets have been drawn into international waters or airspace, where federal jurisdiction applies. These moves require careful coordination and carry real diplomatic risk if they go wrong.
INTERPOL Red Notices Aren’t Arrest Warrants
A tool often confused with an arrest warrant is the INTERPOL Red Notice. It isn’t one. A Red Notice is a request circulated to law enforcement worldwide asking them to locate and provisionally arrest a person pending extradition or similar legal action.8Interpol. Red Notices It’s based on an arrest warrant issued by the requesting country’s courts, but INTERPOL itself cannot compel any country to make an arrest. Each member nation decides what legal weight to give the notice.
In the United States, names on Red Notices are entered into the National Crime Information Center database, so they can surface during routine encounters like traffic stops or border crossings.9United States Department of Justice. Criminal Resource Manual 611 – INTERPOL Red Notices When a flagged person turns up, the country that requested the notice is contacted and can then pursue a provisional arrest or file a formal extradition request. The notice locates people; it does not skip the extradition process.
What FBI Agents Abroad Can and Can’t Do
The image of American agents kicking down doors overseas is largely fiction. U.S. law enforcement personnel stationed abroad work under significant restrictions, always at the pleasure of the host government.
The FBI maintains a network of Legal Attaché offices, known as “Legats,” in U.S. embassies around the world. These offices cover more than 180 countries with roughly 250 agents and support staff.10Federal Bureau of Investigation. International Offices Legat personnel have no law enforcement authority in the host country. They have no arrest powers and typically are not allowed to carry weapons. Their role is liaison work: sharing intelligence, coordinating with local police, and supporting joint investigations conducted under the host country’s laws.
When Someone Is Brought In Irregularly
Here is a legal reality that surprises most people. Even if a defendant is brought into the United States through forcible abduction, American courts can still try them. This principle, known as the Ker-Frisbie doctrine, has been the law since 1886, when the Supreme Court held in Ker v. Illinois that a court’s power to try someone is not impaired by the fact that the defendant was brought within its jurisdiction by forcible abduction.11Legal Information Institute (LII) at Cornell Law School. Ker v People of the State of Illinois
The Court reaffirmed the rule in Frisbie v. Collins in 1952, holding that due process is satisfied as long as the defendant gets a fair trial with proper constitutional protections, regardless of how they ended up in court.12Justia U.S. Supreme Court. Frisbie v Collins In 1992, the Court applied the doctrine internationally in United States v. Alvarez-Machain, ruling that the forcible abduction of a Mexican national from Mexico did not bar his trial in the United States. The Court reasoned that the U.S.-Mexico extradition treaty did not explicitly prohibit abductions, so the Ker rule applied.13Justia U.S. Supreme Court Center. United States v Alvarez-Machain
Alvarez-Machain was enormously controversial. Mexico condemned it and the diplomatic fallout was significant. The legal principle still stands: once a defendant is in a U.S. courtroom, the question is whether the trial is fair, not whether the arrival was lawful. But the offended country can pursue diplomatic remedies, and the political consequences can be severe enough to deter the practice even though the courtroom door stays open.
Extraordinary Rendition
The most controversial method the U.S. has used is extraordinary rendition: seizing a person in one country and transferring them to another outside any formal legal process. Unlike extradition, there is no court hearing, no treaty invoked, and no judicial oversight in the sending country. The practice expanded after September 11, 2001, when the CIA was given broader authority to conduct these operations under expedited approval procedures.
International bodies have widely condemned extraordinary rendition as violating human rights instruments prohibiting arbitrary detention, enforced disappearance, and torture. It is not standard practice for bringing fugitives to justice, and it carries enormous diplomatic and legal risk. It exists in the record of what American power has done abroad, and any honest account of the government’s reach has to acknowledge it.