As deaths involving prescription drugs increase, who is supplying demand on the streets? Read more
A Deadly Prescription
As deaths involving prescription drugs increase, who is supplying demand on the streets?
Potters Bar, Ukraine's stolen billions and the Eurovision connection
UK companies are being used to launder dirty money as new transparency rules are flouted.
Dying on the Streets
Why does life on the street also mean death on the street for some rough sleepers?
On the Critical List? Britain's Ageing Hospitals
Can the NHS afford to run and replace its ageing hospitals? Lesley Curwen investigates.
Disclosing the Truth
How are disclosure of evidence failures affecting justice in the magistrates' courts?
The Missing Bitcoin Billions
The mystery of the missing Bitcoin billions: A real-life cryptocurrency crime drama.
Squalid Prisons - Who's to Blame?
Have private contracts for prison maintenance made our jails more dangerous?
A Place of Safety?
An investigation into standards in an NHS trust providing mental health care.
The Invisible Man of Britain’s Far Right
An investigation into Jim Dowson, the front man for Knights Templar International.
The Lost Children of Marianvale
An investigation into the former Marianvale mother and baby home in Northern Ireland.
What part is social media playing in the rise in violent crime in the UK?
Citizenship for Sale
An investigation into the lucrative trade of selling citizenship to the world's rich.
Failed by Forensics?
Are failings in forensic science leading to more miscarriages of justice?
Back Home from ISIS
What risks do returning jihadis from IS in Iraq and Syria pose in the UK?
Falling Short - Fake News and Financial Markets
Is financial fake news damaging business? Geoff White reports.
The Private World of the NHS
Why is 'private' the word that dare not speak its name in the National Health Service?
Construction in Crisis?
Are construction giants exploiting their suppliers to balance their books?
Prison, drugs and debts - who's paying the price?
Prison, drugs and debts - who's paying the price of the thriving drug trade in our jails?
Counting the Cost: Antidepressant Use in Children
Why are more children than ever being prescribed antidepressants and what are the risks?
Paralympics – Gaming the System?
Are some paralympic athletes gaming the classification system to win medals?
Debt Killed My Dad
Helen Grady investigates the high cost of bankruptcy.
Transforming Care - Is it Working?
Lucy Adams investigates care for the learning disabled seven years after Winterbourne View
Paying the Price - Private Hospitals
File on 4 investigates standards of care in some UK private hospitals.
Fuelling the future?
Does Britain’s green energy strategy stack up?
The millions to be made from serious waste crime - the 'new narcotics' for organised gangs
My Homeless Son
Are homeless teenagers being let down by the very people meant to protect them?
The Unorthodox Life of Miriam
The shocking story of one woman's attempt to escape an Orthodox Jewish community.
Are companies ‘gaming’ the system of green subsidies designed to reduce farm pollution?
Are young offenders being failed by the system meant to protect them?
The Orphanage Business
File on 4 exposes the abuse of Ugandan children being cared for in UK-funded orphanages
Finding Freedom - The Fight Against Modern Slavery
Are victims of modern slavery and trafficking being let down? File on 4 investigates.
Inside the World of the Class A Student
Students say drugs are as common as alcohol.
Can we Fix it? The Inside Story of Match Fixing in Tennis
The inside story of how players and betting gangs are fixing matches in tennis.
No Place Like Home - The Inside Story of Supported Living
File on 4 looks at the growth in supported living homes for learning disabled adults.
Swipe Right for Crime
The encrypted apps that bring the criminal web to your mobile phone.
The Compensation Catch
The victims of violent and serious crimes being denied access to compensation.
An investigation into delays in the training of military pilots. Why is there a backlog?
The Crypto Factor – The Winners and Losers in Virtual Investment
Cryptocurrencies have been around for 10 years, so why are many still dogged by scandal?
The lucrative criminal trade in bringing migrants across the channel in dinghies.
Opioids: A Painful Prescription?
Did marketing help fuel the UK's opioid addiction 'crisis'?
At Risk? Children in Residential Care
Where do they go? Why vulnerable young people are going missing from children's homes.
A Load of Rubbish
Failures in the way recycling is set up in the UK is contributing to pollution in our seas
On Whose Authority?
Who really decides what care is best for those who can’t make their own decisions?
The Spy in Your Pocket
How sophisticated spy-ware can be used to track our everyday activities. Who's watching?
The Right Place for Reg?
What can one man’s story tells us about the future of the NHS?
Beyond Grenfell: The Cladding Lottery
The families and hospitals facing huge bills to replace dangerous cladding.
Steeling for the Future
Could more have been done to save British Steel from insolvency?
Bitter Brew: The harrowing story of rape, murder and violence on a Kenyan tea plantation.
Hidden Figures? The True Scale of Military Sexual Allegations
Criticisms of the way allegations of sexual assault are handled in the armed forces
Sex Offenders Fleeing Abroad
How some runaway sex offenders are evading justice
Harassed students ‘re-victimised’ by universities
Harassed students ‘re-victimised’ by universities.
The therapy business
Jordan Dunbar investigates the therapy business.
Families versus the state: An unfair fight?
Are lives being put at risk because families are refused funding at inquests?
Can sex offenders and violent criminals be rehabilitated in prison?
Lost on the line: The county lines gangs recruiting girls
Lost on the Line: The county lines drugs gangs recruiting girls
Crash Landing - The demise of Thomas Cook
File on 4 charts the rise and fall of travel firm Thomas Cook.
Anatomy of a fraud
Dodgy diamonds, missing millions - and the victims failed by justice.
Medics say drug shortages are worse than ever – putting the lives of patients at risk.