File on 4 Investigates

News-making original journalism documentary series, investigating stories at home and abroad.

Radio 4,567 episodes

Episodes

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Dangerous habit: The criminal networks flooding the UK with fake cigarettes
The global criminal gangs supplying the UK with counterfeit cigarettes.
13 Oct 2026,36 mins
Forced Adoption: Is it happening today?
If some birth mothers were better supported, would fewer babies need to go into care?
06 Oct 2026,37 mins
Tinderbox Britain - Are we ready for more wildfires?
After a record breaking wildfire season, are we prepared for the growing threat?
29 Sep 2026,37 mins
Has a cult come to town?
The Ahmadi Religion of Peace and Light are based in Crewe. Who are they?
22 Sep 2026,37 mins
China and the UK... after the 'Golden Era'
Examining Chinese state influence in UK public life.
15 Sep 2026,38 mins
Medical Emergency
Dr Lalith Wijedoru investigates why one doctor dies by suicide every three weeks.
01 Sep 2026,37 mins
The Coroners Question
Coroners have a vital role but the system faces pressures: is the service fit for purpose?
25 Aug 2026,37 mins
Saving Young Men from Murder: The Homeboy Story
Psychiatrist Gwen Adshead visits the largest gang rehabilitation charity in the world.
18 Aug 2026,37 mins
After EncroChat
The EncroChat hack was a huge law enforcement weapon against drugs. But has it worked?
11 Aug 2026,37 mins,
A Romanian Ransom
Uncovering a secret Cold War trade of animals in exchange for Jewish lives.
04 Aug 2026,37 mins
Letby Hospital: Maternity failings at the Countess of Chester
Concerns raised over standards in maternity care at the Countess of Chester Hospital
21 Jul 2026,37 mins,
Epstein Files: Lutnick, the Royals and the British Whistleblower
Trading influence: US Commerce Secretary Howard Lutnick, the royals and the Epstein Files.
14 Jul 2026,37 mins
Strict schools: Taking discipline too far?
Are some schools are taking strict discipline too far?
30 Jun 2026,37 mins,
Fake Marriages - The real story
The front line on tackling fake marriages
23 Jun 2026,37 mins
Sins of the past: Should the Church of England pay for its links to slavery?
Should the Church of England pay for its links to slavery?
16 Jun 2026,37 mins
Tricked into pregnancy? The Liv Nervo story
A woman who says she was tricked into pregnancy fights to change the law.
09 Jun 2026,37 mins,
Hair Strand Tests in the Family Court
Questions are raised about how hair strand tests are interpreted in Family Courts.
26 May 2026,37 mins
Adding Up: How Councils meet the costs of Special Educational Needs
How do councils cope with the rising SEN bill?
19 May 2026,37 mins
Locked and Downloaded: The rise in 3D printed guns
How much of a threat to the UK are homemade printed weapons?
12 May 2026,38 mins
Duped in Dubai
The investment course that didn't deliver.
05 May 2026,38 mins
Searching for Soldier Dad
DNA detectives track down the British soldiers who fathered children in Kenya
28 Apr 2026,37 mins
Are white working class girls falling behind?
When it comes to school attendance and attainment are some girls falling behind?
14 Apr 2026,37 mins
The Experiments
An investigation into widespread medical abuse in German children's homes.
07 Apr 2026,37 mins
Sunshine and Secrets: The hidden side of IVF
What happens when the IVF sperm or egg donor you choose isn’t the one you get?
31 Mar 2026,37 mins
The battle for hearts and lungs: Transplants in trouble.
Is the UK's heart and lung transplant service still world beating?
24 Mar 2026,37 mins
Fight on the Right: The MAGA Civil War
What's behind the growing schism within the Make America Great Again coalition?
10 Mar 2026,38 mins,
Bogus self-employment - who pays the price?
Why is the rise in bogus self-employment a problem for all of us?
03 Mar 2026,37 mins
No CCTV: When train attacks go unrecorded
Is a lack of CCTV preventing victims of train attacks getting justice?
24 Feb 2026,37 mins
Can boxing look after its own?
Can boxing do more to look after its fighters?
17 Feb 2026,36 mins
Is the answer to the NHS bed crisis virtual?
Can virtual wards, where patients are treated at home, ease pressure on NHS hospitals?
10 Feb 2026,37 mins