Within Human Rights
When cybercrime crosses borders, one of the hardest questions is not whether a suspect can be prosecuted, but where that prosecution should take place. The issue became especially prominent in the case of Gary McKinnon, the British UFO enthusiast accused of hacking United States military and NASA systems from his home in London.
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Introduction
The forum bar is not a general shield against extradition. Instead, it is an attempt to resolve a practical problem created by modern cybercrime: conduct may occur in one country while the affected systems, victims, evidence, or investigators are located in another. The question becomes which jurisdiction has the stronger claim to prosecute. [Legislation.gov.uk]legislation.gov.ukCrime and Courts Act 2013 - Explanatory NotesSchedule 20: Extradition. 605.Part 1 of Schedule 20 amends the Extradition Act 2003 (“the EA…
Why cybercrime creates overlapping jurisdictions
Traditional criminal law was built around territory. A burglary occurs in a particular place, and the local courts usually deal with it. Cybercrime often breaks that assumption.
In cases such as McKinnon’s, the alleged conduct occurred physically in Britain because the keyboard, internet connection, and suspect were located there. Yet the affected computers were in the United States, the alleged victims were American institutions, and much of the investigative effort was undertaken by US authorities. Both countries therefore possessed plausible jurisdictional claims. [Pinsent Masons]pinsentmasons.combritish man faces extradition for us hacking trialPinsent MasonsBritish man faces extradition for US hacking trial31 May 2005 — Arrested in November 2002 by officers from the National Hi…
This overlap is common in hacking cases. A person may never leave the UK yet allegedly gain unauthorised access to systems located overseas. Prosecutors in the victim state may argue that the harm was suffered there, while defence lawyers may argue that the accused should be tried where they lived and acted. Academic analysis of transnational cybercrime has highlighted how digital offences increasingly challenge traditional territorial models of criminal jurisdiction. [Taylor & Francis Online]tandfonline.comIt does so by demonstrating its deficiencies and weaknesses.Read more…
The McKinnon controversy intensified criticism of a system in which decisions about prosecution venue were often made through discussions between prosecuting authorities rather than through a transparent judicial assessment. Parliamentary reviews noted concerns that some high-profile defendants whose alleged conduct occurred largely in Britain nevertheless faced extradition because UK prosecutors declined to bring domestic charges. [UK Parliament]publications.parliament.ukUK Parliament House of LordsGary McKinnon, UK prosecutions have not been pursued against the requested persons. This despite all the alleged activity taking place in…
What the forum bar was designed to do
The forum bar was introduced into the Extradition Act 2003 through the Crime and Courts Act 2013. It followed years of political controversy surrounding cases including Gary McKinnon and other requested persons facing extradition to the United States. [Legislation.gov.uk+2WilmerHale]legislation.gov.ukCrime and Courts Act 2013 - Explanatory NotesSchedule 20: Extradition. 605.Part 1 of Schedule 20 amends the Extradition Act 2003 (“the EA…
The central idea is straightforward: if a substantial part of the alleged conduct occurred in the United Kingdom, a court may consider whether extradition would be contrary to the interests of justice because the case should be prosecuted domestically instead. The mechanism was intended to give judges a clearer role in deciding where justice should be administered in cross-border cases. [Global Investigations Review+2WilmerHale]globalinvestigationsreview.comGlobal Investigations ReviewExtradition: the UK perspective31 Oct 2025 — The forum bar prevents extradition if it is determined that, by…
The reform was closely linked to the public reaction generated by McKinnon’s case. When announcing her decision to block his extradition on human-rights grounds, Home Secretary Theresa May also argued that future cases required a better mechanism for determining whether prosecution should occur in the UK or overseas. [GOV.UK]GOV.UKgary mckinnon extradition case home secretarys statementGary McKinnon extradition case: Home Secretary's statement16 Oct 2012 — I have concluded that Mr McKinnon's extradition would give rise t…
Importantly, the forum bar does not decide guilt or innocence. It addresses only the location of the trial. A successful forum argument means that prosecution abroad is blocked; it does not automatically prevent prosecution in Britain. [Global Investigations Review]globalinvestigationsreview.comGlobal Investigations ReviewExtradition: the UK perspective31 Oct 2025 — The forum bar prevents extradition if it is determined that, by…
What interests of justice factors require
The forum bar is built around an “interests of justice” assessment rather than a single rigid rule. Courts are expected to examine multiple factors when deciding whether extradition remains appropriate. [Global Investigations Review]globalinvestigationsreview.comGlobal Investigations ReviewExtradition: the UK perspective31 Oct 2025 — The forum bar prevents extradition if it is determined that, by…
Among the considerations commonly discussed are:
- Where most of the alleged conduct occurred.
- Where the principal harm was suffered.
- The location of victims and witnesses.
- The availability of evidence.
- The defendant’s connections to the UK.
- Whether a realistic domestic prosecution could occur.
- The comparative interests of the competing jurisdictions. [Global Investigations Review]globalinvestigationsreview.comGlobal Investigations ReviewExtradition: the UK perspective31 Oct 2025 — The forum bar prevents extradition if it is determined that, by…
These factors often point in different directions. A hacker may have acted entirely from Britain, favouring a UK trial, while the victims and damaged systems may be overwhelmingly located in another country, favouring foreign prosecution.
This balancing exercise explains why forum disputes are controversial. Supporters argue that defendants with strong UK ties should not automatically be sent abroad merely because a foreign state was affected. Critics respond that cybercrime depends on international cooperation and that excessive use of forum arguments could frustrate legitimate cross-border enforcement. [Law Gazette]lawgazette.co.ukIt would generate satellite…Read more…
How forum and health arguments can combine
Forum arguments and human-rights arguments are legally distinct, but in practice they often reinforce one another.
McKinnon’s case itself was decided primarily on mental-health and suicide-risk grounds rather than through a forum bar analysis, because the forum bar did not yet exist in its modern form. Nevertheless, the case demonstrated how venue questions can become more significant when a vulnerable defendant faces removal far from family, medical support, and established care networks. [GOV.UK]GOV.UKgary mckinnon extradition case home secretarys statementGary McKinnon extradition case: Home Secretary's statement16 Oct 2012 — I have concluded that Mr McKinnon's extradition would give rise t…
The later case of Lauri Love, another British computer-hacking suspect accused by US authorities, illustrated this interaction more directly. Love’s appeal succeeded through a combination of forum considerations and evidence concerning his health and personal circumstances. Courts concluded that prosecution in the UK could represent a more proportionate and just solution than extradition to the United States. The case is frequently cited as one of the clearest demonstrations of the forum bar operating as intended. [WilmerHale+2The 6KBW Blog]wilmerhale.comlauri love the forum bar shows its mettleLauri Love: The Forum Bar Shows its Mettle16 Mar 2018 — May concluded that the extradition of McKinnon, who suffered from Asper…
More recent cybercrime extradition disputes have continued to feature the same pattern. Defence teams commonly argue not only that a suspect should face justice closer to home, but also that health, autism-spectrum conditions, suicide risk, language barriers, family support, and prison conditions may affect where a fair and humane prosecution can occur. [The Guardian]theguardian.comdiogo santos coelho pleads uk block us extradition cybercrime raidforumsCoelho alleges he was groomed into committing the crimes by adults from age 14. Both the US and Portugal have issued extradition requests…
Did the forum bar solve the problem?
The answer remains disputed.
Supporters regard the forum bar as an important safeguard because it allows courts to examine whether extradition is genuinely necessary when substantial conduct occurred in Britain. They argue that cross-border cyber investigations should not automatically result in trials overseas simply because foreign systems were targeted. Successful forum-bar decisions in later cases have been presented as evidence that the mechanism can operate effectively. [WilmerHale+2Practical Law]wilmerhale.comlauri love the forum bar shows its mettleLauri Love: The Forum Bar Shows its Mettle16 Mar 2018 — May concluded that the extradition of McKinnon, who suffered from Asper…
Critics contend that the reform has been narrower than many campaigners expected. Some legal commentators argue that the statutory tests are restrictive and that prosecutors still retain significant influence over whether domestic proceedings are pursued. Others have gone further, describing the forum bar as an unsuccessful reform that has not fundamentally altered the structure of extradition decision-making. [Sage Journals]journals.sagepub.comSage JournalsThe Forum Bar in UK Extradition Law: An Unnecessary…30 Jan 2020 — The forum bar was based upon the premises that it is ge…
What is clear is that the McKinnon controversy permanently changed the conversation. Before the case, public debate focused largely on whether extradition treaties were fair. Afterwards, attention increasingly shifted to a more specific question: when alleged cyber offences are committed from a person’s home country, what principles should determine where justice is delivered? The forum bar represents the UK’s attempt to answer that question through a structured interests-of-justice test rather than political pressure alone. [Practical Law+2WilmerHale]uk.practicallaw.thomsonreuters.comPractical LawExtradition and prosecution: raising the forum bar?Following the Gary McKinnon extradition case, the Home Secretary said tha…
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Endnotes
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Source: GOV.UK
Title: gary mckinnon extradition case home secretarys statement
Link: https://www.gov.uk/government/speeches/gary-mckinnon-extradition-case-home-secretarys-statementSource snippet
Gary McKinnon extradition case: Home Secretary's statement16 Oct 2012 — I have concluded that Mr McKinnon's extradition would give rise t...
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Source: wilmerhale.com
Title: lauri love the forum bar shows its mettle
Link: https://www.wilmerhale.com/en/insights/blogs/wilmerhale-w-i-r-e-uk/lauri-love-the-forum-bar-shows-its-mettleSource snippet
Lauri Love: The Forum Bar Shows its Mettle16 Mar 2018 — May concluded that the extradition of McKinnon, who suffered from Asper...
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Source: legislation.gov.uk
Link: https://www.legislation.gov.uk/ukpga/2013/22/notes/division/5/2/46?view=plainSource snippet
Crime and Courts Act 2013 - Explanatory NotesSchedule 20: Extradition. 605.Part 1 of Schedule 20 amends the Extradition Act 2003 (“the EA...
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Source: publications.parliament.uk
Title: UK Parliament House of Lords
Link: https://publications.parliament.uk/pa/ld201415/ldselect/ldextradition/126/12607.htmSource snippet
Gary McKinnon, UK prosecutions have not been pursued against the requested persons. This despite all the alleged activity taking place in...
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Source: assets.publishing.service.gov.uk
Link: https://assets.publishing.service.gov.uk/media/5a750181ed915d3c7d529a80/written-reps-17.pdfSource snippet
ReviewAs a result of widespread criticism of the lack of a forum bar following the 'NatWest. Three' case (R (Bermingham) v Director of th...
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Source: blog.6kbw.com
Title: this lopsided treaty is the us uk extradition treaty imbalanced
Link: https://blog.6kbw.com/posts/this-lopsided-treaty-is-the-us-uk-extradition-treaty-imbalancedSource snippet
The 6KBW Blog“This lopsided Treaty…” Is the US/UK Extradition...9 Apr 2020 — Second, as the decision of the Secretary of State in the Ga...
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Source: hansard.parliament.uk
Title: uk U S-UK Extradition Treaty
Link: https://hansard.parliament.uk/commons/2009-07-15/debates/09071559000001/US-UKExtraditionTreatySource snippet
parliament.ukUS-UK Extradition Treaty - Hansard15 Jul 2009 — The Gary McKinnon case has been extensively publicised in recent days, but i...
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Source: hansard.parliament.uk
Link: https://hansard.parliament.uk/commons/2009-12-01/debates/09120144000002/GaryMckinnon%28Extradition%29Source snippet
McKinnon (Extradition) - Hansard - UK Parliament1 Dec 2009 — The Americans will decide, but the decision of the public prosecutors in thi...
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Source: committees.parliament.uk
Link: https://committees.parliament.uk/writtenevidence/52660/html/Source snippet
parliament.ukEXL0016 - Evidence on Extradition LawAdmittedly, the question of a UK prosecution has arisen in the light of a request, for...
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Source: globalinvestigationsreview.com
Link: https://globalinvestigationsreview.com/guide/the-practitioners-guide-global-investigations/2026/article/extradition-the-uk-perspectiveSource snippet
Global Investigations ReviewExtradition: the UK perspective31 Oct 2025 — The forum bar prevents extradition if it is determined that, by...
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Source: pinsentmasons.com
Title: british man faces extradition for us hacking trial
Link: https://www.pinsentmasons.com/out-law/news/british-man-faces-extradition-for-us-hacking-trialSource snippet
Pinsent MasonsBritish man faces extradition for US hacking trial31 May 2005 — Arrested in November 2002 by officers from the National Hi...
Published: May 2005
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Source: tandfonline.com
Link: https://www.tandfonline.com/doi/full/10.1080/13600869.2022.2061888Source snippet
It does so by demonstrating its deficiencies and weaknesses.Read more...
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Source: lawgazette.co.uk
Link: https://www.lawgazette.co.uk/analysis/is-the-so-called-forum-bar-really-the-panacea-claimed-by-campaigners/63202.articleSource snippet
It would generate satellite...Read more...
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Source: journals.sagepub.com
Link: https://journals.sagepub.com/doi/10.1177/0022018320902544Source snippet
Sage JournalsThe Forum Bar in UK Extradition Law: An Unnecessary...30 Jan 2020 — The forum bar was based upon the premises that it is ge...
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Source: theguardian.com
Title: diogo santos coelho pleads uk block us extradition cybercrime raidforums
Link: https://www.theguardian.com/law/2024/mar/15/diogo-santos-coelho-pleads-uk-block-us-extradition-cybercrime-raidforumsSource snippet
Coelho alleges he was groomed into committing the crimes by adults from age 14. Both the US and Portugal have issued extradition requests...
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Source: theguardian.com
Link: https://www.theguardian.com/law/2025/sep/19/judge-quashes-home-office-decision-diogo-santos-coelho-extraditionSource snippet
on cybercrime charges. Coelho, who allegedly ran the hacking forum RaidForums, faces a potential 52-year prison sentence in the U.S. Howe...
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Source: uk.practicallaw.thomsonreuters.com
Link: https://uk.practicallaw.thomsonreuters.com/w-016-1698?contextData=%28sc.Default%29&transitionType=DefaultSource snippet
by Practical Law Business...Read more...
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Source: uk.practicallaw.thomsonreuters.com
Link: https://uk.practicallaw.thomsonreuters.com/3-524-3488?contextData=%28sc.Default%29&transitionType=DefaultSource snippet
Practical LawExtradition and prosecution: raising the forum bar?Following the Gary McKinnon extradition case, the Home Secretary said tha...
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Source: theguardian.com
Title: gary mckinnon case double standards
Link: https://www.theguardian.com/world/blog/2012/oct/17/gary-mckinnon-case-double-standardsSource snippet
Gary McKinnon: a case of double standards?17 Oct 2012 — Gary McKinnon, will not be extradited to the United States to face charges that c...
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Source: theguardian.com
Title: gary mckinnon extradition key questions
Link: https://www.theguardian.com/world/2012/oct/16/gary-mckinnon-extradition-key-questionsSource snippet
The test will transform current extradition processes. It will allow a UK court to...Read more...
Additional References
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Source: counselmagazine.co.uk
Link: https://www.counselmagazine.co.uk/articles/extradition-reform-sightSource snippet
Is Extradition Reform in Sight?The press coverage of its findings focused on the difficult case of Gary McKinnon and on the report's clea...
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Source: rgu-repository.worktribe.com
Link: https://rgu-repository.worktribe.com/output/248043/hackers-beware-the-cautionary-story-of-gary-mckinnonSource snippet
beware: the cautionary story of Gary McKinnon.This article describes and analyses the facts and law surrounding the extradition of McKinn...
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Source: crimeline.co.uk
Link: https://crimeline.co.uk/knowledge-base/case-comment-good-news-for-the-future-of-the-forum-bar/Source snippet
Case comment: good news for the future of the “forum bar”?The then Home Secretary decided to block the extradition of Gary McKinnon to th...
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Source: libertyhumanrights.org.uk
Link: https://www.libertyhumanrights.org.uk/wp-content/uploads/2020/04/Libertys-Report-on-Home-Secretary-Discretion-and-the-Forum-Bar-in-Extradition-2013.pdfSource snippet
We urge Peers to reject the proposed forum bar in Schedule 19 as.Read more...
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Source: kingsleynapley.co.uk
Title: Kingsley Napley Still a ‘Special Relationship’?
Link: https://www.kingsleynapley.co.uk/insights/blogs/international-protection-blog/still-a-special-relationship-the-forum-bar-and-the-development-of-the-extradition-relationship-between-the-uk-and-the-usa-a-two-part-blog-seriesSource snippet
The 'forum bar' and...31 Jan 2024 — In this blog we discuss the 'forum bar' to extradition and the relevant case law of extradition proc...
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Source: lewisnedas.co.uk
Link: https://lewisnedas.co.uk/spiders-and-dragons-a-question-of-cybercrime-and-borders/Source snippet
Spiders and Dragons: A Question of Cybercrime and BordersThis raises the key question: Should the suspects be tried in the UK or extradit...
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Source: youtube.com
Title: Hacking suspect Lauri Love wins appeal against extradition to US | ITV News
Link: https://www.youtube.com/watch?v=iNjRcESXSTwSource snippet
Craig (App) v Her Majesty's Advocate (for the Government of the USA) and another (Resp) (Scotland)...
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Source: bindmans.com
Title: The Forum Bar and Lauri Love
Link: https://www.bindmans.com/news-insights/blogs/the-forum-bar-and-lauri-love-a-limited-protection/Source snippet
a limited protection21 Sept 2016 — In 2012 Gary McKinnon successfully resisted extradition after a 10 year battle in the courts when Ther...
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Source: ukhumanrightsblog.com
Title: The Forum Bar: it does exist
Link: https://ukhumanrightsblog.com/2018/02/09/the-forum-bar-it-does-exist-bruno-min/Source snippet
Bruno Min9 Feb 2018 — The best known example of such cases was that of Gary McKinnon, who (according to some reports) faced up to 70 year...
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Source: corkerbinning.com
Title: Will Love change everything?
Link: https://corkerbinning.com/will-love-change-everything-extradition-and-the-forum-bar/Source snippet
Extradition and the forum bar5 Feb 2018 — The refusal to order the extradition of Gary McKinnon to the US had... accused of crimes abroa...
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