Keeping people who are serving a controversial indefinite sentence beyond their minimum term in prison has cost the taxpayer more than £1bn since 2012, Sky News analysis has found.
Sky News has analysed data relating to those serving imprisonment for public protection (IPP) sentences.
This is a type of open-ended sentence that was abolished more than a decade ago following widespread concern over its implementation and psychological impact on inmates.
From April 2012 to December 2023, it cost the taxpayer an estimated£1.1bn to house unreleasedIPP prisoners who were serving time beyond their original tariff – the term used to describe the minimum amount of time they had to spend in custody before they could be considered for release by the Parole Board.
It does not include those who have been recalled back to prison after initially being released under strict licence conditions.
The analysis comes as new data released by the Ministry of Justice (MoJ) shows 2,852 people remain incarcerated under the IPP system, including those who have been recalled back into custody.
Of this number, 1,227 have never been released, while 1,210 are behind bars beyond their original tariff.
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In the analysis, Sky News took the average cost of a prisoner in each financial year back to 2012/13 and multiplied that by the number of prisoners remaining on expired IPP sentences at the end of each year.
Adding together these costs for each year since 2012/13 comes to a total of £1.1bn.
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What are IPP sentences?
Implemented in 2005 under the then Labour government, IPP sentences were intended for the most serious violent and sexual offenders who posed a significant risk of serious harm to the public but whose crimes did not warrant a life term.
Although the government’s stated aim was public protection, concerns quickly grew that IPP sentences were being applied too broadly and catching more minor offenders – with many serving time in prison much longer than their initial term.
In light of the criticisms, IPPs were scrapped in 2012 but the change was not applied retrospectively – meaning those who were in prison at the time the sentence was abolished were not able to benefit.
In 2022 parliament’s Justice Select Committee published a report recommending a resentencing exercise, arguing the IPP sentence was “irredeemably flawed” and caused “acute harm” to those serving them due to the prisoner not knowing when they might be released.
Successive governments have been reluctant to carry out a resentencing exercise on the grounds it could compromise public safety.
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Sky News speaks to families whose loved ones are being held in prison on open-ended sentences
However, Justice Secretary Alex Chalk – who has described IPPs as a “stain” on the justice system – has come under pressure to heed the committee’s calls due to the current capacity constraints in the prison system.
Data from the MoJ published last week shows the prison estate in England and Wales is approaching its operational capacity limit, with just 1,430 spaces left.
According to the campaigning organisation the Institute of Now, the number of people still inside on IPP sentences beyond their tariff could fill the equivalent of more than four average-size UK prisons.
Henry Rossi, a human rights campaigner and founder of The Institute of Now, said: “Far too many people, both prisoners and their families, have been subjected to psychological torture from this wicked sentence, which in so many cases, has led to suicides.
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In 2012 the government abolished IPP sentences, but they didn’t do this retrospectively
“Prisons are not the place to manage those that have served their time as punishment. The UK has blood on its hands and the government must urgently relook at this draconian sentence and release post-tariff IPP prisoners with the appropriate support.”
A MoJ spokesperson said: “We have reduced the number of unreleased IPP prisoners by three-quarters since we scrapped the sentence in 2012, with a 12% fall in the last year alone where the Parole Board deemed prisoners safe to release.
“We have also taken decisive action to curtail licence periods and continue to help those still in custody to progress towards release, including improving access to rehabilitation programmes and mental health support.”
The MoJ figures and Sky News analysis comes as a separate report from the Independent Monitoring Board (IMB) shows how care and separation units (CSUs) are regularly being used as a “stop gap” to manage prisoners with severe mental health needs – including those serving IPP sentences.
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It costs about £48,000 to keep someone in prison in the UK – and there are still just under 3,000 IPP prisoners behind bars
In one case, a man with a schizophrenia diagnosis cumulatively spent almost nine months in the CSU – also known as segregation or “the seg” – during which time the IMB said his mental health “dramatically deteriorated”.
In another example, an IPP prisoner with a personality disorder spent over 800 days in the CSU before they were transferred to an appropriate unit.
Elisabeth Davies, IMB national chair, said: “Segregating any prisoner, especially those with mental health needs, is not a decision taken lightly by prison managers. While they clearly feel that they have no other option, CSUs should not be used as holding bays for these vulnerable individuals.
“While local IMBs found that overall staff worked hard to support prisoners in the best way that they could, collectively they have reported a disturbing picture of mentally unwell men spending lengthy periods in isolation, which often results in a deterioration of their mental health.
“If anything is to change, the solution is, and has always been, providing appropriate mental health provision in the community and tighter controls around the transfer times from prison to hospital.”
A government spokesperson said: “Segregation is an absolute last resort for those deemed a danger to themselves or others.
“Prisoners are entitled to the same care as they would receive in the community, which is why we guarantee the most vulnerable individuals are able to access mental health support tailored to their needs.”
Four teenagers and a 45-year-old man have been found guilty of murdering two boys, aged 15 and 16, who were attacked with machetes in a case of mistaken identity.
The convictions follow a five-week trial at Bristol Crown Court.
The jury heard how Max Dixon and Mason Rist were killed in a case of mistaken identity on 27 January, after being wrongly identified as being responsible for a house attack in the Hartcliffe area of the city earlier that evening.
Antony Snook, 45, Riley Tolliver, 18, and three boys aged 15, 16 and 17 were all on trial each charged with two counts of murder.
As the jury foreman returned the guilty verdicts, none of the defendants showed any reaction from the dock, as they sat impassively and stared straight ahead.
The fatal stabbings in Knowle West lasted just 33 seconds – with both boys suffering what the court heard were “unsurvivable” injuries and “instant severe blood loss”.
Both died in hospital in the early hours of 28 January.
Detective Superintendent Gary Haskins, the case’s senior investigating officer from Avon and Somerset Police, told Sky News that Max and Mason had nothing to do with the house attack.
“Those boys were not known to their attackers, they were best friends, two beautiful children just going about their lives and attacked for no reason whatsoever,” he said.
Much of the prosecution’s case was based on CCTV and doorbell videos, including a camera on Mason’s own house which captured footage of the knife attack against him.
The pair were seen leaving Mason’s home at around 11.15pm and were going for a pizza.
Prosecutor Ray Tully KC told the jury that the boys were set upon by the group who had been travelling in Snook’s Audi Q2.
He said the group were “out for revenge”, “acting as a pack” to hunt down those responsible and “tooled up” with fearsome weapons.
After the attackers fled, Max and Mason were left bleeding in the street.
The investigation involved more than 230 police officers and staff – with thousands of pieces of evidence analysed.
Hundreds mourned victims at school
The teenage victims were in year 11 together at the Oasis Academy John Williams secondary school and were preparing to sit their GCSEs this summer.
The school’s headteacher Victoria Boomer-Clark told Sky News that everyone rallied to support fellow pupils and staff.
She said: “After the boys were tragically murdered, for us first and foremost we were thinking about the families and how they were coping with the absolute tragedy and shock of that.
“I can remember trying to prepare for that Monday morning and my memories now are how exceptionally strong our young people are and how we have a real sense of community.
“Unbeknownst to us the young people had arranged to hold a vigil on the playground during breaktime on that first Monday. We had hundreds of young people and staff coming together in silence.”
Ms Boomer-Clark said the boys would have attended school prom this summer.
“We had a wall that was lit up in red for Mason and Liverpool football club and a wall in blue for Park Knowle Football Club,” she said. “The year group came together and supported each other through it.”
Detective had never seen ‘horrific’ weapons before
Detective Superintendent Gary Haskins said: “The weapons used in the attack on Mason and Max were simply horrific.
“I’ve been a detective for many, many years and I’ve had the misfortune of investigating some serious offences.
“In all my service I’ve not seen a weapon like the one we saw used on those two boys.
“There is no place for a weapon of that type in society for any reason whatsoever.”
The detective praised the boy’s families, who attended court throughout the trial.
He added: “I’m humbled by the families involved in this investigation. They’ve been at court every day, they’ve seen things at court that no parent should ever be exposed to. They saw the attacks on their children, but they maintain their dignity, their courage and their love for their family.
“How can you replace what they’ve lost? They’ve lost two beautiful sons, and I can only hope that the verdicts will bring some form of closure. It will never close completely.”
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The UK economy grew by 0.1% between July and September, according to the Office for National Statistics (ONS).
However, despite the small positive GDP growth recorded in the third quarter, the economy shrank by 0.1% in September, dragging down overall growth for the quarter.
The growth was also slower than what had been expected by experts and a drop from the 0.5% growth between April and June, the ONS said.
Economists polled by Reuters and the Bank of England had forecast an expansion of 0.2%, slowing from the rapid growth seen over the first half of 2024 when the economy was rebounding from last year’s shallow recession.
And the metric that Labour has said it is most focused on – the GDP per capita, or the economic output divided by the number of people in the country – also fell by 0.1%.
Reacting to the figures, Chancellor of the Exchequer Rachel Reeves said: “Improving economic growth is at the heart of everything I am seeking to achieve, which is why I am not satisfied with these numbers.
“At my budget, I took the difficult choices to fix the foundations and stabilise our public finances.
“Now we are going to deliver growth through investment and reform to create more jobs and more money in people’s pockets, get the NHS back on its feet, rebuild Britain and secure our borders in a decade of national renewal,” Ms Reeves added.
The sluggish services sector – which makes up the bulk of the British economy – was a particular drag on growth over the past three months. It expanded by 0.1%, cancelling out the 0.8% growth in the construction sector.
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The UK’s GDP for the most recent quarter is lower than the 0.7% growth in the US and 0.4% in the Eurozone.
The figures have pushed the UK towards the bottom of the G7 growth table for the third quarter of the year.
It was expected to meet the same 0.2% growth figures reported in Germany and Japan – but fell below that after a slow September.
The pound remained stable following the news, hovering around $1.267. The FTSE 100, meanwhile, opened the day down by 0.4%.
The Bank of England last week predicted that Ms Reeves’s first budget as chancellor will increase inflation by up to half a percentage point over the next two years, contributing to a slower decline in interest rates than previously thought.
Announcing a widely anticipated 0.25 percentage point cut in the base rate to 4.75%, the Bank’s Monetary Policy Committee (MPC) forecast that inflation will return “sustainably” to its target of 2% in the first half of 2027, a year later than at its last meeting.
The Bank’s quarterly report found Ms Reeves’s £70bn package of tax and borrowing measures will place upward pressure on prices, as well as delivering a three-quarter point increase to GDP next year.
“If you are a member of something, it means you’ve accepted membership. Anything with ‘ship’ on the end, it’s giving you a clue: it’s telling you that’s maritime law. That means you’ve entered into a contract.”
This isn’t your standard legal argument and it is becoming clear that I am dealing with an unusual way of looking at the world.
I’m in the library of a hotel in Leicestershire, a wood-panelled room with warm lighting, and Pete Stone, better known as Sovereign Pete, is explaining how “the system” works. Mr Stone is in his mid-50, bald with a goatee beard and wearing, as he always does for public appearances, a black T-shirt and black jeans.
With us are six other people, mainly dressed in neat jumpers. They’re members of the Sovereign Project (SP), an organisation Mr Stone founded in 2020, which, he says, now has more than 20,000 paying members.
As arcane as this may sound, it represents a worldview that is becoming more influential – and causing problems for authorities. Loosely, they’re defined as “sovereign citizens” or “freemen on the land”.
Their fundamental point is that nobody is required to obey laws they have not specifically consented to – especially when it comes to tax. They have hundreds of thousands of followers in the UK across platforms including YouTube, Facebook and Telegram.
Increasingly, they are coming into conflict with governments and the law. Sovereign citizens have ended up in the High Court in recent months, challenging the legalities of tax bills and losing on both occasions.
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In October, four people were sentenced to prison for the attempted kidnapping of an Essex coroner, who they saw as acting unlawfully. The self-appointed “sheriffs” attempted to force entry to the court, one of them demanding: “You guys have been practising fraud!”
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Moment ‘cult’ tries to kidnap coroner
The Sovereign Project is not connected to any of those cases, nor does it promote any sort of political action, let alone violence.
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Instead, they are focused on issues like questioning the obligation to pay taxes, as Mr Stone explains, referencing the feudal system that operated in the Middle Ages.
“Do you know about the feudal system when people were slaves and were forced to pay tax?” he asks.
“Now, unless the feudal system still operates today, and we still have serfs and slaves, then the only way that you can pay taxes is to have a contract, you have to agree to it and consent to it.”
Another member, Karl Deans, a 43-year-old property developer who runs the SP’s social media, says: “We’re not here to dodge tax.”
Local government tends to be a target beyond just demands for tax. Mr Stone speaks of “council employee crimes”.
I ask whether, considering the attempted kidnapping in Essex, there is a danger that people will listen to these accusations of crimes by councils and act on them.
“Well that’s proved,” Mr Stone says. “We only deal with facts.”
Evidence suggests this approach is becoming an issue for councils across the UK, as people search online for ways to avoid paying tax.
Sky News analysis shows that out of 374 council websites covering Great Britain, at least 172 (46%) have pages responding to sovereign citizen arguments around avoiding paying council tax. They point out that liability for council tax is not dependent on consent, or a contract, and instead relies on the Local Government Finance Act 1992, voted on by Parliament.
But the Sovereign Project’s worldview extends beyond council tax. It is deeply anti-establishment, at times conspiratorial. Stone suggests the summer riots may have been organised by the government.
“The sovereign fraternity operates above all of this,” he says. “We look down at the world like a chessboard. We see what’s going on.”
He explains that, really, the UK government isn’t actually in control: there is a shadow government above them.
“These are the people who control government,” he explains.
“A lot of people say this could be the crown council of 13, this could be a series of Italian families.”
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Professor Christine Sarteschi, an expert in sovereign citizens at Chatham University, Pittsburgh, says she’s worried about the threat sovereign citizens may pose to the rule of law, especially in the US where guns are readily available.
“The movement is growing and that’s evidenced by seeing it in different countries and hearing about different cases. The concern is that they will become emboldened and commit acts of violence,” she says.
“Because sovereigns truly believe in their ideas and if they feel very aggrieved by, you know, the government or whomever they think is oppressing them or controlling them… they can become emotionally involved.
“That emotional involvement sometimes leads to violence in some cases, or the belief that they have the power to attempt to overthrow a government in some capacity.”
Much of this seems to be based on an underlying and familiar frustration at the state of this country and of the world.
Mr Stone echoes some of the characteristic arguments also made by the right, that there is “two-tier policing”, that refugees arriving in the UK are “young men of fighting age”, that the government is using “forced immigration to destroy the country”.
Another SP member, retired investment banker David Hopgood, 61, says: “I firmly believe it is the true Englishman – and woman – of this country – that has the power to unlock this madness that’s happening in the West.
“We’ve got the Magna Carta – all these checks and balances. We just need to pack up, go down to Parliament and say: It’s time to dismiss you. You’re not fit for purpose.”
The members of the Sovereign Project are unfailingly patient and polite in explaining their understanding of the world.
But there is no doubt they hold a deeply radical view, one that is apparently growing in popularity.