U.S. Army Officer Arrested In U.K. On Suspicion Of Trying To Steal Secrets For Russia

British police have arrested a U.S. Army officer suspected of attempting to steal secret information from a NATO installation and deliver that material to Russia.

The suspect, a 41-year-old U.S. Army officer, was arrested on suspicion of espionage as part of an operation involving Britain’s MI5 domestic security service in coordination with the FBI, U.S. and British authorities said Tuesday.

The suspect’s identity was not disclosed. Officials familiar with the investigation, who like others interviewed for this story spoke on the condition of anonymity to share details of the case, said that no sensitive information was passed to Russia, an indication that the suspect was under surveillance and detained before any transfer took place.

FBI Director Kash Patel said the arrest “involves allegations of espionage, which is of the utmost concern to the United States and our allies.” In a statement issued by British authorities, Patel noted the involvement of MI5, British Counter Terrorism Policing as well as British and U.S. Army counterintelligence services.

Brig. Gen. Sean Stinchon, commanding general of U.S. Army Counterintelligence Command, described the suspect as “a senior soldier, entrusted with sensitive information” and said that the case “is a sobering reminder that insider threats are real and persistent.”

Speaking to reporters Wednesday, Kremlin spokesman Dmitry Peskov denied any link between Russia and the soldier’s arrest, saying the Kremlin “does not know what might be behind it.”

The arrest was announced late Tuesday by Britain’s Metropolitan Police. Vicki Evans, senior national coordinator for counterterrorism policing, said “the allegations are serious and our investigation is very much ongoing.”

Officials said the suspect was one of dozens of U.S. military personnel assigned to Imjin Barracks, a British Army installation in Gloucestershire, about 100 miles northwest of London, which serves as the headquarters for NATO’s Allied Rapid Reaction Corps.

The arrest comes at a tense moment in Western relations with Moscow, as NATO members across Europe face what security officials have described as a violent campaign of Russian “hybrid” operations including arson, assassination and other attacks.

The arrest also coincides with multilateral peace talks on the war in Ukraine, led by U.S. negotiators Steve Witkoff and Jared Kushner, the son-in-law of President Donald Trump. The pair met with Russian and Ukrainian officials in Abu Dhabi on Tuesday.

Russian President Vladimir Putin has long railed against NATO as an alliance meant to undermine Russia, and he made false claims about Western plans to bring Kyiv into the security alliance to justify Russia’s full-scale invasion of Ukraine in 2022.

In reviving dormant Russia-Ukraine peace talks, the Trump administration has called for a broader discussion of Europe’s “security architecture,” an approach many in Europe see as playing into Russia’s hands, as it seeks to make an end to the war contingent on putting new constraints on NATO.

As the NATO Allied Rapid Reaction Corps headquarters, the Imjin base exists largely to mobilize troops to defend NATO members against any potential Russian incursion. A website for the base indicates that troops from as many as 21 countries are based there.

Senior officers at the base would probably have access to classified mobilization plans and other details that would be of interest to Russian intelligence services.

The U.S. Army officer arrested Tuesday had taken steps to gather information that could be valuable to Moscow, according to Western officials familiar with the case, but was never in position to deliver the material.

“The allegations are pretty serious against him,” one person aware of the case said. But the “potential damage, not so much,” the official said, indicating that sensitive information was not at immediate risk of being transferred to Russian agents.

The suspect was arrested on suspicion of violating sections of Britain’s 2023 National Security Act that make it illegal to steal secret files and engage in conduct that could aid a foreign spy agency. British authorities can detain the suspect for a week or more before bringing charges, a step that would probably lead to the release of his identity.

A U.S. official familiar with the case indicated that the suspect could ultimately also face charges in the U.S., citing a plan to bring military charges after British authorities take “first crack” at him.