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Can a Domestic Trial Deliver Justice Without Extradition?

A home-country trial can preserve accountability while reducing family separation, treatment disruption and exposure to an unfamiliar prison system.

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  • Accountability without overseas surrender
  • Practical barriers to transferring evidence and charges
  • Alternatives including treatment, restrictions and community sentences

Introduction

Stopping extradition does not necessarily mean abandoning justice. In cases such as Gary McKinnon’s, the central question is whether accountability can be achieved through prosecution in the defendant’s home country rather than by surrendering them to a foreign state. A domestic trial may preserve the public interest in enforcing the law while reducing avoidable harms associated with overseas detention, prolonged separation from family, disruption of established medical care and exposure to an unfamiliar legal and prison system. The issue is therefore not whether alleged cybercrime should go unpunished, but whether the location of prosecution is proportionate when more than one country has a legitimate claim to jurisdiction. UK law increasingly recognises that, where this is realistically possible, domestic prosecution can be a fair and effective alternative rather than a concession.[Crown Prosecution Service]cps.gov.ukCrown Prosecution Service Jurisdiction | The Crown Prosecution ServiceCrown Prosecution ServiceJurisdiction | The Crown Prosecution ServiceJune 2, 2025…Published: June 2, 2025

Domestic Trial illustration 1

Can a Domestic Trial Deliver Justice Without Extradition?

The McKinnon case is often misunderstood as a choice between extradition and impunity. Legally, those are not the only options. If conduct committed from the United Kingdom also amounts to offences under UK law, domestic authorities may consider prosecution in British courts, provided jurisdiction exists and the available evidence satisfies the normal prosecutorial tests. The Crown Prosecution Service (CPS) expressly recognises that cases involving concurrent UK and overseas jurisdiction require an assessment of which forum best serves the interests of justice rather than an automatic preference for extradition.[Crown Prosecution Service]cps.gov.ukCrown Prosecution Service Jurisdiction | The Crown Prosecution ServiceCrown Prosecution ServiceJurisdiction | The Crown Prosecution ServiceJune 2, 2025…Published: June 2, 2025

This distinction matters because the objectives of criminal justice—establishing responsibility, protecting the public and imposing proportionate sanctions—can often be achieved without requiring an accused person to stand trial abroad. In cases where the alleged conduct occurred largely from a computer in the UK, domestic proceedings may provide a practical route to accountability while avoiding some of the additional human consequences associated with international surrender.

Accountability Without Overseas Surrender

A domestic prosecution does not reduce the seriousness of alleged offences. Rather, it changes the venue in which responsibility is determined.

For defendants with significant medical or psychiatric vulnerabilities, trying the case at home may preserve continuity of treatment, access to established healthcare providers and family support. These considerations became particularly important in McKinnon’s case because the Home Secretary concluded that extradition itself created an exceptionally high risk to his life. That decision did not question the seriousness of the allegations but assessed whether the particular method of prosecution would be compatible with his human rights.[GOV.UK]GOV.UKGary Mc Kinnon extradition case: Home Secretary's statementGary McKinnon extradition case: Home Secretary's statement - GOV.UK…

Domestic proceedings may also reduce practical disadvantages that have little connection with guilt or innocence, including:

  • prolonged separation from close family and support networks;
  • disruption of specialist mental health treatment;
  • unfamiliar prison regimes and legal procedures;
  • increased costs and obstacles for defence preparation; and
  • lengthy periods of overseas pre-trial detention where applicable.

None of these factors automatically outweigh the requesting state’s interest in prosecution. They are instead relevant to assessing whether equivalent criminal justice objectives can be achieved through less intrusive means.

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Practical Barriers to Transferring Evidence and Charges

A common objection is that cybercrime frequently affects victims located overseas, making foreign prosecution seem inevitable. In reality, international criminal investigations routinely involve evidence-sharing between jurisdictions.

The Council of Europe’s Convention on Cybercrime establishes mechanisms for mutual legal assistance, preservation of electronic evidence and cooperation between national authorities. These frameworks exist precisely because digital offences often cross borders, allowing evidence to be shared even when prosecution occurs in a different jurisdiction.[Portal]coe.intPortal Competent authorities under the ConventionPortalCompetent authorities under the Convention - Cybercrime…

That does not mean every case is suitable for domestic prosecution. Prosecutors must consider practical questions such as:

  • whether the necessary digital evidence can legally be obtained and presented in a UK court;
  • whether witnesses located overseas can provide evidence effectively;
  • where the principal victims and financial losses are located;
  • whether multiple suspects are being prosecuted together elsewhere; and
  • whether parallel proceedings would create unnecessary duplication.

The CPS guidance reflects these considerations when discussing concurrent jurisdiction and forum decisions. Evidence availability, delay, victim interests and the practicality of conducting a single coherent prosecution are all relevant factors rather than automatic reasons favouring one country over another.[Crown Prosecution Service]cps.gov.ukCrown Prosecution Service Jurisdiction | The Crown Prosecution ServiceCrown Prosecution ServiceJurisdiction | The Crown Prosecution ServiceJune 2, 2025…Published: June 2, 2025

Domestic Trial illustration 2

The Forum Question Is About Justice, Not Nationality

The debate is sometimes portrayed as whether British citizens should simply be tried in Britain. That is not the legal test.

The UK’s “forum bar”, introduced after prolonged controversy over cases including McKinnon’s, requires courts to consider whether a substantial part of the alleged criminal activity occurred in the United Kingdom and whether, taking specified interests of justice into account, prosecution should occur domestically instead of abroad. Those factors include the location of harm, victim interests, availability of evidence, possible delay, the practicality of conducting one prosecution, and the defendant’s connections with the UK.[Crown Prosecution Service]cps.gov.ukCrown Prosecution Service Jurisdiction | The Crown Prosecution ServiceCrown Prosecution ServiceJurisdiction | The Crown Prosecution ServiceJune 2, 2025…Published: June 2, 2025

This framework avoids treating citizenship as decisive. A foreign national with strong UK connections may benefit from similar considerations, while a British citizen whose alleged conduct is overwhelmingly centred abroad may still face extradition if that better serves justice.

Alternatives to Extradition That Preserve Public Protection

Rejecting extradition need not leave courts without meaningful responses if wrongdoing is proved.

Depending on the offence and sentence imposed under domestic law, alternatives may include:

  • prosecution before UK criminal courts;
  • imprisonment where justified by the seriousness of the conduct;
  • community-based sentences with strict supervision;
  • treatment requirements where clinically appropriate;
  • restrictions on computer use or internet access;
  • financial penalties or confiscation orders where available; and
  • probation supervision designed to reduce the risk of further offending.

The appropriate outcome depends on the offence, the offender’s circumstances and sentencing law rather than on the fact that extradition was refused. Mental illness or neurodevelopmental conditions may affect sentencing and management, but they do not eliminate criminal responsibility by themselves.

Domestic Trial illustration 3

Why the McKinnon Debate Continues to Matter

The McKinnon case continues to influence wider debates because it highlighted that international cybercrime prosecutions involve more than technical questions of jurisdiction. They also require balancing effective law enforcement against proportionality and individual rights.

A domestic trial will not always be the correct solution. Some cases genuinely require prosecution in the country where the principal harm occurred or where related defendants are being tried. Nevertheless, where substantial conduct took place in the United Kingdom, the evidence can realistically be presented before a British court, and domestic prosecution can protect the public while avoiding disproportionate human consequences, trying the case at home may better reconcile accountability with fairness. That principle is now reflected not only in public debate but also in the legal framework governing forum decisions in UK extradition law.[Crown Prosecution Service]cps.gov.ukCrown Prosecution Service Jurisdiction | The Crown Prosecution ServiceCrown Prosecution ServiceJurisdiction | The Crown Prosecution ServiceJune 2, 2025…Published: June 2, 2025

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Endnotes

1. Source: cps.gov.uk
Title: Crown Prosecution Service Jurisdiction | The Crown Prosecution Service
Link:https://www.cps.gov.uk/prosecution-guidance/jurisdiction

Source snippet

Crown Prosecution ServiceJurisdiction | The Crown Prosecution ServiceJune 2, 2025...

Published: June 2, 2025

2. Source: cps.gov.uk
Title: Crown Prosecution Service Extradition
Link:https://www.cps.gov.uk/prosecution-guidance/extradition-uk

Source snippet

Crown Prosecution ServiceExtradition - From the UK | The Crown Prosecution Service...

3. Source: GOV.UK
Title: Gary Mc Kinnon extradition case: Home Secretary’s statement
Link:https://www.gov.uk/government/speeches/gary-mckinnon-extradition-case-home-secretarys-statement

Source snippet

Gary McKinnon extradition case: Home Secretary's statement - GOV.UK...

4. Source: cps.gov.uk
Title: Referrals, approvals and notifications | The Crown Prosecution Service
Link:https://www.cps.gov.uk/prosecution-guidance/referrals-approvals-and-notifications

Source snippet

April 24, 2026 — * any case in which an Unduly Lenient sentence reports is required, see Unduly Lenient Sentences * any case where there...

Published: April 24, 2026

5. Source: cps.gov.uk
Title: Private Prosecutions | The Crown Prosecution Service
Link:https://www.cps.gov.uk/prosecution-guidance/private-prosecutions

Source snippet

November 1, 2024 — The success of a private prosecution is no indication that the CPS ought to have prosecuted, precisely because Parliam...

Published: November 1, 2024

6. Source: cps.gov.uk
Title: International | The Crown Prosecution Service
Link:https://www.cps.gov.uk/prosecution-guidance/international

Source snippet

July 24, 2023 — INTERNATIONAL Updated: 2 August 2022; 26 April 2023; 24 July 2023 Prosecution Guidance International and organised crime...

Published: July 24, 2023

7. Source: cps.gov.uk
Link:https://www.cps.gov.uk/prosecution-guidance/extradition-uk-0

8. Source: GOV.UK
Link:https://www.gov.uk/government/publications/the-human-rights-implications-of-uk-extradition-policy-the-government-response

9. Source: GOV.UK
Title: www.gov.uk Latest on Gary [Mc Kinnon case]({{ ‘mc-kinnon-case/’ | relative_url }})
Link:https://www.gov.uk/government/news/latest-on-gary-mckinnon-case

10. Source: coe.int
Title: Portal Competent authorities under the Convention
Link:https://www.coe.int/en/web/cybercrime/competent-authorities

Source snippet

PortalCompetent authorities under the Convention - Cybercrime...

11. Source: coe.int
Title: P C-OC
Link:https://www.coe.int/en/web/transnational-criminal-justice-pcoc/home

Source snippet

The Council of Europe’s Committee of Experts on the Operation of European Conventions on Co-operation in Criminal Matters (PC-OC / Terms...

12. Source: coe.int
Title: P C-OC
Link:https://www.coe.int/en/web/transnational-criminal-justice-PCOC

Source snippet

The Council of Europe’s Committee of Experts on the Operation of European Conventions on Co-operation in Criminal Matters (PC-OC / Terms...

13. Source: hansard.parliament.uk
Title: uk Extradition
Link:https://hansard.parliament.uk/Commons/2012-10-16/debates/12101642000005/Extradition

14. Source: coe.int
Link:https://www.coe.int/en/web/cybercrime/home

15. Source: coe.int
Link:https://www.coe.int/en/web/transnational-criminal-justice-pcoc/extradition

16. Source: coe.int
Title: International Cooperation against Cybercrime
Link:https://www.coe.int/en/web/cybercrime/international-cooperation

Additional References

17. Source: youtube.com
Title: Britain stops hacker extradition to US
Link:https://www.youtube.com/watch?v=TpwHje20un8

Source snippet

UK hacker to learn extradition fate This news report examines the legal considerations around whether Gary McKinnon should be extradited...

18. Source: theguardian.com
Link:https://www.theguardian.com/world/blog/2012/oct/16/gary-mckinnon-extradition-decision-live

19. Source: theguardian.com
Link:https://www.theguardian.com/law/2012/oct/16/gary-mckinnon-theresa-may-human-rights

20. Source: theguardian.com
Link:https://www.theguardian.com/world/2012/oct/16/gary-mckinnon-extradition-key-questions

21. Source: youtube.com
Title: UK hacker’s extradition to US blocked
Link:https://www.youtube.com/watch?v=v4Js8DF80HY

Source snippet

Theresa May blocks Gary McKinnon's extradition to US...

22. Source: theguardian.com
Title: Gary Mc Kinnon will face no charges in UK | Gary Mc Kinnon | The Guardian
Link:https://www.theguardian.com/world/2012/dec/14/gary-mckinnon-no-uk-charges

23. Source: committees.parliament.uk
Title: uk M Ps call for overhaul of US-UK extradition arrangements
Link:https://committees.parliament.uk/work/3109/extradition/news/178786/mps-call-for-overhaul-of-usuk-extradition-arrangements/

24. Source: youtube.com
Title: Theresa May blocks Gary Mc Kinnon’s extradition to US
Link:https://www.youtube.com/watch?v=5MEQVo8ENC8

Source snippet

Britain stops hacker extradition to US...

25. Source: youtube.com
Title: Gary Mc Kinnon: No hacking charges in UK
Link:https://www.youtube.com/watch?v=xAhzZRa2aws

Source snippet

UK hacker's extradition to US blocked...

26. Source: youtube.com
Title: UK hacker to learn extradition fate
Link:https://www.youtube.com/watch?v=LEvGU1b4ysw

Source snippet

Gary McKinnon: No hacking charges in UK...