The UK's Supreme Court has halted the extradition of a Scottish man wanted by the US authorities over an alleged £1.2m fraud.
Five judges found that James Craig's human rights had been breached, as a legal measure which could have helped him had not been introduced in Scotland.
The UK Government did not bring in a measure north of the border allowing an extradition to be blocked if a trial could take place in the UK.
It made the decision at the Scottish government's request.
The Supreme Court's ruling will set a precedent for other extradition cases, however it is not clear how many will now be open to challenge as a result.
Craig, from Dunragit in Dumfries and Galloway, has fought a long legal battle against his extradition to the US over a crime he denies committing.
The US Securities and Exchange Commission (SEC) has accused him of tweeting false information about two American companies in 2013, costing investors $1.6m.
He was alleged to have made $97 by buying shares at a lower price and then reselling them. He later repaid the cash plus $120 interest without admitting that he had done anything wrong.
Police Scotland searched Craig's house at the request of the FBI in 2014. A warrant for his arrest was issued by the SEC in 2015. The extradition process began in 2017.
Had he been from England, Wales or Northern Ireland, Craig could have opposed his extradition on the grounds of 'forum bar', which allows an extradition to be blocked on the basis that a trial could 'fairly and effectively' take place in the UK and not abroad.
The UK Government introduced the measure in 2013 following the case of Gary McKinnon, a computer hacker who successfully fought extradition to the US.
However, the Scottish Government asked that it should not apply to Scottish cases over fears that it would interfere with the independence of Scottish prosecutors.
That meant Craig could not use forum bar as an argument against his extradition.
Following a legal challenge in 2018, the Court of Session declared that the UK Government had acted unlawfully by failing to introduce forum bar in Scotland.
A sheriff then ruled that Craig's extradition could still go ahead - a judgement backed by the Appeal Court, which said the forum bar failure had not rendered the entire process unlawful.
The Supreme Court has now ruled that the failure to bring in the forum bar in Scotland had breached his human rights.
Announcing the decision, judge Lord Reed said: "A new extradition hearing may be held before a different sheriff, at which Mr Craig will be able to rely on the forum bar provisions in addition to any other arguments properly available to him."
Forum bar was finally introduced in Scotland in September 2021.
The Supreme Court's ruling means the case is being brought back to Scotland to start all over again, nine years after the original alleged offence.
The BBC reported that Craig has declined to comment on the judgement on the advice of his lawyers.
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