File on 4 Investigates

File on 4 Investigates reveals how surgeons had raised concerns about a faulty replacement knee eight years before its US manufacturer finally decided to withdraw it from use. Knee replacement surgery is one of the most common operations carried out by the NHS, with over 100,000 procedures carried out each year. It’s a surgical success story - but things can go wrong. Around 10,000 problematic 'Ne...

Psychedelics are having a moment — hailed as miracle cures for depression, PTSD and addiction. But what happens when the trip doesn’t end? In Trip Shocked, writer and researcher Ed Prideaux takes a hard look at the risks lurking in the psychedelic renaissance. Drawing on his own long-term side effects from LSD, Ed explores a hidden history of harms: from persistent hallucinations and underground s...

In We Are Not A Conspiracy School, Darryl Morris sets out to meet the people behind HOPE Sussex, a community of home educators founded during the pandemic. On a sprawling site in the East Sussex countryside, a number of families gather to learn together, away from the mainstream. What’s taught there is contested. The media has called it a “conspiracy school", but the founders say it’s a community...

When the parent of a patient in a psychiatric hospital questioned why he couldn’t see CCTV footage of an incident involving his son it led to a series of extraordinary discoveries. Glynn Brown was told that cameras had never been switched on despite being present throughout wards at Muckamore Abbey Hospital, in Northern Ireland. In fact, the cameras had been recording for six months without staff...

Nine in ten people in the UK who buy a car use finance. The sector is the second largest lender to consumers in the UK after mortgages. But the industry is bracing itself for a Supreme Court judgement which could see lenders forced to pay out tens of billions in compensation for selling deals with 'secret' commissions. File on 4 Investigates hears from industry insiders and those who tried to rais...

A deep-dive into the new generation of get-rich-quick gurus and the social media smoke and mirrors some use to shield themselves from criticism. This investigation uncovers the tactics used by some TikTok landlords and online ‘finfluencers’ who use the promise of property riches to sell advice and training to people hungry to make fast money and break free of the rat race. Thriving in a largely un...

When a Church of England volunteer in Leicester rejected a proposal to go on a date, it started a (sinister) stalking campaign against him. His stalker was a female preacher. As her harassment worsened, her victim pleaded for help to the police and the Church, including to a cleric tipped to be the Church’s next leader. File on 4 Investigates reveals how their mistakes left the victim feeling they...

High street gambling venues, known as adult gaming centres, promise a safe and sociable experience; the chance to have a chat, a coffee and a flutter, under the supervision of trained staff. And they’re proving to be popular, with an increasing number springing up across the country, some of which are open 24 hours a day. But File on 4 Investigates hears concerns some venues are failing to protect...

Ketamine was designed as an anaesthetic but its use as a recreational drug is growing fast, particularly among young people. It can have life-changing health consequences, yet the use of the drug increased by 85 per cent between 2023 and 2024. Paul Kenyon investigates the ketamine trade and discovers how tonnes of the drug are able to find their way into the UK undetected. Reporter: Paul Kenyon Pr...

The market where carbon offsets are bought and sold has been projected to grow and grow, as big companies look to prove they can reach net zero. But where achieving reductions in emissions is impossible or expensive, an alternative is to try and arrange for carbon to be taken out of the atmosphere instead. The markets have thrived on linking buyers of carbon offsets - big firms, and even governmen...

Nicola Packer went to Chelsea and Westminster Hospital for help after she delivered a 26-week-old foetus in her bathroom. But she was reported to the police - and arrested as she lay in bed recovering from major surgery. She was then escorted to a waiting police van and forced to spend the night in a police cell. File on 4 Investigates hears her story and reveals how, behind the scenes of the inve...

The story of Gisele Pelicot shocked the world. For almost a decade, the 72-year-old French grandmother’s husband Dominique secretly sedated her with sleeping pills and anxiety medication and raped her. He invited fifty other men to rape her too - documenting the abuse in thousands of photographs and videos. Dominique Pelicot has been jailed for 20 years. But Gisele is not alone. One British woman,...

Around the UK, a hidden crisis has been growing over the past eight years. Since the Grenfell Tower fire in 2017, something extraordinary has become clear about many of Britain's high-rise residential buildings. They are nothing like as safe as we had imagined. In fact, the latest statistics show that more than 5,000 high-rise buildings have faults so serious they pose a risk to life. Clearing thi...

2024 experienced the wettest period since records began and extreme rainfall events are becoming more frequent because of climate change. So what's being done to protect us from flooding - and is it enough? The Government has said it will build 1.5 million new homes by the end of the current parliament - but File on 4 Investigates has discovered that hundreds of thousands of homes have already bee...

Pet ownership has rocketed since the covid pandemic, but so have vet prices. In fact, bills have increased by more than 60% in the last ten years. The Competition and Markets Authority is so concerned about the increases it has a launched an investigation into the industry and is due to reveal its findings this year. Datshiane Navanyagam investigates the pet industry and the corporate takeover of...

Every year the UK produces around 50 million tyres for disposal. They’re supposed to be sent for recycling. Instead, big money is being made by diverting tyres to illegal and dangerous 'pyrolysis' plants they're melted down to extract oil and steel. File on 4 Investigates, together with a team of journalists from Source Material, a not-for-profit group specialising in climate and corruption, follo...

At least two women are murdered every week in the UK in a domestic abuse situation. Newspapers often call it a crime of passion. ‘He lost control’. But what if that’s not true? What if there was a blueprint that, if recognised, could save a woman’s life? The Homicide Timeline contains eight stages that track the escalation of a controlling relationship from before a couple even meet right up to ho...

File on 4 Investigates tells the story of Kasibba – a woman locked up as a schoolgirl in a mental health hospital. She languished there for 45 years - despite not being mentally ill. She was finally freed two years ago after the intervention of a rookie psychologist. Reporter Carolyn Atkinson asks why so many autistic people and/or those with a learning disability, including children, are still lo...

File on 4 Investigates goes to Burnley in Lancashire to meet the young people and their families as they grapple with a ketamine epidemic. Used in human and veterinary medicine as an anaesthetic, experts say the drug is being used by increasing numbers of young people because it's cheap, easy to obtain and fashionable. But the health implications can be catastrophic - even fatal. It can cause ment...

With the billions he made at the expense of Russian taxpayers, Roman Abramovich bought six luxury superyachts over the years. Among them were the 162-metre-long Eclipse, with swimming pools, helipads and a missile defence system - and the Pelorus - sometimes lent to Chelsea footballers. They could each cost up to one and a half million dollars just to re-fuel. If they’d been declared as being for...

Tens of thousands of children and young people across the UK suffer from severe forms of epilepsy which are resistant to treatment. For those with intractable epilepsy the options for treatment are limited and the risk of a catastrophic seizure is very real. But a growing body of evidence has pointed to cannabis having a positive effect on preventing seizures even in people who don't respond to ot...

Michael Buchanan examines why the University Hospitals Sussex NHS trust, once considered one of England’s best, has now got the largest number of patients waiting over 18 months for treatment. On top of this there is a growing police investigation into allegations of poor care. Rporter: Michael Buchanan Producer: Charlotte Rowles Technical Producer: Richard Hannaford Production Coordinator: Tim Fe...

The BBC's religion editor Aleem Maqbool hears from sexual abuse victims who say they were let down by senior church leaders for decades. Priest David Tudor was allowed to continue working within the Church of England - despite widespread concerns about his behaviour. Now there are calls for the Archbishop of York, Stephen Cottrell to resign over his handling of the case. He is due to take temporar...

Universities in the UK are facing a financial crisis, and with fears some may become bankrupt many institutions are making savings by cutting courses and staff numbers. Falling numbers of international students, who pay higher fees than their domestic counterparts, is partly to blame for the funding gap. File on 4 investigates if universities have become too reliant on overseas students, in some c...

The government has pledged to stop using hotels to house asylum seekers. But in early November nearly three hundred people were moved into a hotel in Altrincham in Greater Manchester. The decision has provoked widespread concerns from the community and there are fears that far right protestors could target the premises. It follows violent demonstrations outside hotels in Rotherham, Hull, Tamworth,...