Why this mattersSo let's slow down on who this is.
He's a US Army soldier. Arrested on British soil. Accused of spying for Russia. And he was working inside a NATO headquarters.
He was one of dozens of American troops based at Imjin Barracks in Gloucester.
And that base is not some small outpost.
It's the headquarters of the Allied Rapid Reaction Corps. A British-led NATO command. More than 400 permanent staff. From over 20 countries.
So who's saying what?
Vicki Evans runs Counter Terrorism Policing for the Metropolitan Police. She says quote "our investigation is very much ongoing". The arrest, she says, followed close work between UK and US authorities.
Kash Patel is the FBI Director. He calls this an allegation of espionage, and says that's of the utmost concern to the United States and its allies.
General Sean Stinchon runs US Army Counterintelligence Command. He says quote "insider threats are real and persistent".
That's the US Army's own counterintelligence chief saying one of their own may have turned.
Now, some reporting says no sensitive information reached Russia. But that's citing unnamed people, not the police, the FBI or the Army on the record. So treat it as a claim, not a fact.
If it's true though, here's what it would mean. The soldier was likely being watched. And stopped before anything got out.
The Metropolitan Police say this case is not linked to any other counter-terrorism investigation they're running.
But here's the part worth knowing.
This is the third security scare in two months around American forces in Britain.
Six weeks ago, the US pulled B-1 bombers out of RAF Fairford in Gloucestershire. That came after police arrested seven people near the base on suspicion of scouting it out. Prime Minister Andy Burnham told Parliament that was highly likely to have been coordinated in Iran. Two men were later charged under the National Security Act. Iran denies any involvement.
And just a day before this arrest, the US moved refuelling aircraft out of RAF Mildenhall. That was reportedly over a threat linked to Iran too.
So the first two scares point to Iran. This one points to Russia. And this time, it's someone who was already inside.
Kash Patel also says the FBI has made 167 counterintelligence and espionage arrests in the last 21 months. That's a rise of 53%.
So what don't we know? Who this man is. What rank he holds. What he's accused of trying to take. And whether he'll be charged at all.
Right now, he's in a police station in London. And the investigation is still open.