Have major changes to the probation system put the public at risk?
Transforming Rehabilitation: At What Cost?
How Safe Is Your Pension?
As the scandal over the collapse of BHS rumbles on, how safe is your pension?
Changing Tides: Can the UK keep its renewable energy promises?
Holding back the tide: will the UK keep its renewable energy promises?
Behind Closed Doors
Are foreign domestic workers the forgotten victims of modern slavery in Britain?
The Hidden Homeless
Are local councils doing enough to provide accommodation for the homeless?
Is the UK doing enough to tackle corruption and prevent money laundering in the capital?
A Greek Tragedy
The plight of unaccompanied child migrants arriving in Greece. Is the EU doing enough?
Breaking Into Britain
An expose of firms offering to produce fake papers to enable migrants to get into the UK.
The Cost of a Kidney
How a worldwide shortage of organs is fuelling a dangerous trade in transplant tourism.
The Turnaround Game
What protection do small businesses have when banks treat them badly?
Outclassed: The Kids Excluded from School
An investigation into standards in pupil referral units for children excluded from school.
Speaking Up - Whistleblowing in the NHS
How are whistleblowers who report unsafe care in the NHS treated?
Neglect: The Story of UK Homecare
An investigation into the state of home care services in the UK.
An investigation into how lethal lorries posing a danger to the public remain on the roads
The Prison Contraband Crisis
Claims corrupt staff are behind the bulk of drugs and phones causing chaos in prisons.
Councils in Crisis
The local councils turning to commercial investments to balance the books.
Policing the Police
Are the police really open to scrutiny when people complain about misconduct?
Killings in Care Homes
Are care homes able to protect frail and vulnerable elderly residents from violence?
Gain Without the Pain: Legal Drugs in Sport
Painkillers in sport - the legal doping risking the long-term health of athletes.
TB remains a killer disease, how effective are attempts to find a better vaccine?
File on 4 investigates the true scale of child sexual grooming on social media.
What Lies Beneath: The Legacy of Landfill
The toxic legacy of the UK's tens of thousands of underground waste dumps.
Children with ME
Families of children with a severe fatigue condition say they have been accused of abuse.
Mental Health Parity: Progress or Pipe Dream?
Radio 4's investigative current affairs documentary series.
Car Emissions - Coming Clean?
After the US diesel scandal, does Europe also need to come clean about car emissions?
About a Boy - The Hidden Victims of Grooming
Are teenage boys let down by the system when they report being targeted by paedophiles?
The Secrets of Smyllum Park
An investigation into the treatment of children at Smyllum Park orphanage in Scotland.
Paralympic Sport - Fair Play?
Are some countries cheating the paralympic classification system in the pursuit of medals?
Adoption: Families in Crisis
Is there enough support available to struggling adoptive families?
Extremism: Hidden in Plain Sight
Manveen Rana uncovers hate speech and sectarianism in British Urdu media.
Elderly Patients in Hospital - Who Cares?
Who cares? Are elderly patients being left to suffer and die from neglect in hospital?
Police Protection? The Murder of Kevin Nunes
Questions remain about alleged police misconduct in a 15-year-old murder investigation.
Crossing the Line - Britain's Teenage Drug Mules
The urban gangs using children to flood rural Britain with drugs and violence.
The Nuclear Option - Powering the Future and Cleaning Up the Past
How are plans for the future of nuclear power progressing - and how to clean up the past?
Paradise Papers: Profits from the Poor
An investigation into international offshore finance.
What's New about the New Far Right?
What threat do the new and emerging far right groups pose to the UK?
Degrees of Deception
How thousands of people in the UK have obtained fake and worthless degrees.
Sheltered from Harm
Who protects the residents of sheltered housing schemes from abuse or neglect?
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
Deadliest Day – a new investigative series from Beyond Today
Claire Read introduces her special series about the impact of one day of the Afghan war.