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UK police should not have let US force take over airbase trial, MoD documents show

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Cite

Sinmaz, E., Evans, R., Loveluck, L., & Davies, H. (2026, October 31). UK police should not have let US force take over airbase trial, MoD documents show. The Guardian. https://www.theguardian.com/uk-news/2026/oct/31/uk-police-should-not-have-let-us-force-take-over-airbase-trial-mod-documents-show

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The Guardian · collected 2026-10-31 · by Emine Sinmaz, Rob Evans, Louisa Loveluck, Harry Davies

Quick Summary

Ministry of Defence documents obtained by The Guardian reveal that UK officials believe Cambridgeshire police wrongly allowed U.S. military authorities to take over the investigation into Captain Jacob Wulfson, who was accused of strangling Sarah Steele in Cambridge. This decision bypassed a long-standing agreement giving British police jurisdiction in such cases unless specific narrow conditions are met. As a result, Wulfson was tried in a US military tribunal instead of an English criminal court, prompting criticism from the UK government and the initiation of a high-level inquiry into similar past transfers of investigations to U.S. authorities.
Written by AI on 2026-10-31, from this article's own text only (the story summary below draws on all the coverage).

AI analysis

Story summary

In October 2026, The Guardian reported that UK Ministry of Defence (MoD) officials criticized Cambridgeshire police for handing over an investigation into Capt Jacob Wulfson, a US Air Force pilot accused of strangling British woman Sarah Steele in her Cambridge flat, to the US military. According to MoD documents, this transfer was done improperly and breached a long-standing agreement between UK and US authorities. The decision meant that instead of facing trial in an English court, Wulfson was tried in a US military tribunal at RAF Lakenheath airbase in Suffolk. This case raised concerns about British victims being required to testify in the US legal system, which may not provide the same protections as UK courts. Following the disclosure in June 2026 by The Guardian, Downing Street expressed deep concern and distress over the lack of UK authority involvement in such cases.

Written for “US Force Trial Controversy” on 2026-10-31, grounded in this article and the 0 other(s) covering the same event.
Why this leaning score
The article's own words the score was based on. Each is quoted verbatim and was checked against the article text before being stored, so you can find it in the original.
Reading Leans strongly left (beta estimate) Confidence high
Leaning: leans strongly left for article 119674 (high confidence, 1 verified quote) · logged 2026-10-31

Story

📰 US Force Trial Controversy
Politics · 1 article(s) covering the same event.

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How this article was measured signals, leaning charts, publisher record, byline, topics and claims

Signals How these are calculated →

Claims extracted
41
sentences that state something as happening or true
Uncertain
7%
3 of 41 hedged ("reportedly", "may", "according to")
Leaning
Leans strongly left
of the writing, not the subject · beta estimate
Publisher signals
66/100
The Guardian's corrections and hedging, across everything collected from it. Not a measure of accuracy.
Outlets on this story
1
Politics
Same framing elsewhere
1
articles that frame the event the way this one does
Analyzed 2026-10-31 · how these are computed

How this is being covered How these are calculated →

Article leaning vs. publisher reliability
Source leaning vs. consistency

Publisher

The Guardian · 2758 article(s) · 6 correction(s) detected
Running correction rate · 6 correction(s)

Who wrote this

Emine Sinmaz
14 article(s) here · 0 carrying a prediction
🔮 He said he had achieved “staggering fame” after his marriage to the US pop star Katy Perry but that now nobody would “touch [him] with a bargepole”.
🔮 Earlier on Friday the judge, Mr Justice Bennathan, gave legal directions to the jury in which he pointed out that they would have “rival arguments” to consider.
🔮 When asked if she was aware of Brand’s promiscuity during their time apart, Laura said: “I was very aware of it and I would read about regularly in the papers and he also told me, we talked about it.”
🔮 “At no point would I have touched [her] breasts unless it was consensual,” he said.
🔮 The woman also told a colleague she was “bleeding everywhere” and that Brand had shouted at her, saying, “Look what you’ve done to my fucking sheets”, Southwark crown court heard on Thursday. The woman told her parents, friends, boyfriend and a sexual health nurse about the alleged attack and several encouraged her to go to the police but she feared she would not be believed, the court was told.
🔮 The USAF added that its military prosecutors could take Mooty to a court martial based on the testimony of witnesses and what it called “indicators of impairment”.
🔮 Days later, she went to Brand’s home in Hampstead, north-west London, knowing she would have vaginal sex with him.
🔮 A woman has said she “couldn’t speak or breathe” when Russell Brand raped her at his London townhouse after picking her out from a crowd after one of his gigs, a court has heard.
🔮 He kept pushing my head down and wouldn’t let me go.
🔮 She told police he then raped her in an attack that lasted up to 10 minutes and left her feeling frightened, in pain, and like she couldn’t breathe.
Also by Emine Sinmaz
Nothing else under this byline is closely related to this article, so these are simply their most recent.
All 14 articles by Emine Sinmaz →
Rob Evans
4 article(s) here · 0 carrying a prediction
🔮 The USAF added that its military prosecutors could take Mooty to a court martial based on the testimony of witnesses and what it called “indicators of impairment”.
🔮 Under questioning, he said it was “possible” that it could have continued for two years, but could not recall how long.
🔮 The inquiry has been running for more than a decade, and is expected to last another two years.
Also by Rob Evans
Nothing else under this byline is closely related to this article, so these are simply their most recent.
Louisa Loveluck
5 article(s) here · 0 carrying a prediction
🔮 The USAF added that its military prosecutors could take Mooty to a court martial based on the testimony of witnesses and what it called “indicators of impairment”.
🔮 The real documentary, directed by Oscar-winning film-makers Yuval Abraham and Rachel Szor, and produced by the Guardian, is in cinemas and will be shown in more than 50 countries.
2026-10-08 · assertive framing · Israel promotes film that mimics NAZA documentary
🔮 Immigration judges had also ruled the people should be allowed to stay in the US because of credible fears they may face harm if sent home.
🔮 No one would tell the shackled detainees onboard the US immigration plane where they were going.
Also by Louisa Loveluck
Nothing else under this byline is closely related to this article, so these are simply their most recent.
Harry Davies
2 article(s) here · 0 carrying a prediction
🔮 The USAF added that its military prosecutors could take Mooty to a court martial based on the testimony of witnesses and what it called “indicators of impairment”.
Also by Harry Davies
Nothing else under this byline is closely related to this article, so these are simply their most recent.

Topics

Americans Cambridgeshire Guardian Ministry of Defence MoD

Subjects

MoD ORG · 6× Steele PERSON · 5× Wulfson PERSON · 5× Cambridgeshire GPE · 4× Americans NORP · 3× Guardian ORG · 3× British NORP · 2× Cambridge GPE · 2× Ministry of Defence ORG · 2× American NORP · 1×

Narrative

A series of cases uncovered this year by the Guardian have highlighted concerns that British victims are required to give evidence in US courts martial, an unfamiliar legal system that often does not afford the same protections as that of a court in the UK.
framing: assertive · carried by 1 article(s) · first seen 2026-10-31

Claims (41 extracted, 3 hedged)

Ministry of Defence officials have privately accused a UK police force of wrongly handing over the investigation of an American fighter pilot who strangled a British woman to the US military, according to documents obtained by the Guardian. uncertain
who → accuse → Guardian
Cambridgeshire police allowed the US military police to quickly take control of the investigation into Capt Jacob Wulfson after he had been accused of sexually assaulting Sarah Steele in his Cambridge flat. asserted
he → allow → flat
The decision meant Wulfson was not tried in an English criminal court. asserted
Wulfson → mean → court
Instead he was prosecuted in a military tribunal on a US airbase in neighbouring Suffolk. asserted
he → prosecute → Suffolk
Ministry of Defence officials said the Cambridgeshire force should “absolutely” not have let the US military police take over the investigation in a clear breach of a long-established agreement with the US. asserted
police → say → US
The disclosure of the case by the Guardian in June provoked immediate criticism from Downing Street, which said it was “deeply distressing” and “very concerning” that the UK authorities were not involved in prosecuting Wulfson. asserted
authorities → provoke → Wulfson
The government to set up a high-level inquiry to examine how and why police forces have been transferring investigations into serious crimes to the US military police. asserted
forces → set → police
The Ministry of Defence, which is responsible for handling the military relationship with the US, is one of the key departments taking part in the inquiry. asserted
which → handle → inquiry
A batch of documents, disclosed via the Freedom of Information Act, revealed the private views of MoD officials about the Steele case, which centres on an obscure agreement signed by the US and the UK decades ago. asserted
which → disclose → US
Under the terms of the agreement, police in the UK have the primary right to investigate alleged crimes by Americans stationed in the country. asserted
police → have → country
The MoD officials made it clear the agreement was “pretty unambiguous” and only permitted the US military to acquire jurisdiction over investigations in a “narrow set of circumstances”. asserted
agreement → make → circumstances
These circumstances are: if the offences were committed while the Americans were on duty, or if they were committed against another member of their armed forces or property. asserted
they → commit → forces
In a memo written on 8 July, MoD officials based in Washington wrote: “The Steele case does not, on the surface, appear to meet the bar for a visiting force to be awarded jurisdiction.” asserted
force → write → jurisdiction
In the agreement, the US military is formally known as a visiting force. asserted
military → know → force
Four days earlier, the MoD officials had referred to the Steele case in an email to colleagues, saying: “The decision-making on this specific case seemed at odds with what is very clear” in the agreement. asserted
what → refer → agreement
Another MoD official agreed that “as best as we understand the facts, this should absolutely have been for the UK courts”. asserted
this → agree → courts
An unidentified Greater Manchester police officer wrote in an email to MoD officials on 6 July that Cambridgeshire police had “wrongly, in my view” handed over the Wulfson investigation to the US military. asserted
police → write → military
Cambridgeshire police said they were conducting a review of the case with what they called “the assistance of material provided” by US Air Force lawyers. asserted
they → say → lawyers
The force said it “remained engaged with the victim”. asserted
it → say → victim
“We are working with government, wider policing and criminal justice partners to ensure greater clarity of jurisdictional decision making,” they added. asserted
they → work → making
The US military aims to prosecute as many of its personnel as possible within the boundaries of its agreement with the UK. asserted
military → aim → UK
The Americans often ask police in the UK if they can take over the prosecution of their military personnel – requests the police agree to, even when they have primary responsibility for investigating them. asserted
they → ask → them
A series of cases uncovered this year by the Guardian have highlighted concerns that British victims are required to give evidence in US courts martial, an unfamiliar legal system that often does not afford the same protections as that of a court in the UK. asserted
that → uncover → UK
Wulfson was off-duty when he assaulted Steele in his Cambridge flat in December 2023 after the pair talked on the Tinder dating app. asserted
pair → assault → app
Steele testified at Wulfson’s court martial, which was held on his airbase at Lakenheath, Suffolk in April, that her experience was “degrading and distressing”. asserted
experience → testify → April
The verdict and sentence were decided by an all-male jury of Wulfson’s fellow air force officers. asserted
verdict → decide → officers
Steele was subjected to invasive and aggressive questioning by Wulfson’s lawyer. asserted
Steele → subject → lawyer
Wulfson was convicted of strangling an intimate partner but acquitted of sexual assault. asserted
Wulfson → convict → assault
He was dismissed from the US Air Force and confined to a military jail on Lakenheath for six months. asserted
He → dismiss → months
The cross-government inquiry, which includes officials from the Home Office, Ministry of Justice and Foreign Office, is looking at how US military personnel are not being brought to justice in British courts. asserted
personnel → include → courts
The inquiry, which also involves police chiefs, is scrutinising a series of cases uncovered by the Guardian this year. asserted
which → involve → Guardian
In each case, police handed over the investigations to US military police even though the American perpetrators were off-duty and the British victims had no connection to the armed forces. asserted
victims → hand → forces
They were tried in US courts martial on American bases. asserted
They → try → bases
Tyrion Davis allegedly raped two women in Suffolk. uncertain
Davis → rap → Suffolk
He was convicted of one charge of sexual assault, but cleared of 10 further counts of sexual assault and abusive sexual contact. asserted
He → convict → assault
Hannes Marschalek allegedly exposed himself to a 16-year-old girl and four young women in Littleport, Cambridgeshire. uncertain
Marschalek → expose → Littleport
He negotiated a plea bargain at a court martial and admitted a charge of indecent conduct. asserted
He → negotiate → conduct
He won an appeal in a US military court that quashed his conviction on technical grounds. asserted
that → win → grounds
This ruling is now being challenged. asserted
ruling → challenge → ?
The US has more than 12,000 US military personnel in the UK, stationed in at least 15 bases and facilities. asserted
US → have → bases
…and 1 more, not listed.
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