The story behind Pembrokeshire serial killer John Cooper's horrific crimes, with a look at how advances in forensic techniques helped unearth new clues. Show more

Jane Harvey follows how one cash-strapped Welsh council is coping with job losses and a mammoth move from its crumbling headquarters. Show more

Investigative series. Dr Heather Skinner travels to Swansea to see what can be done to halt the decline in high street shopping. Show more

Investigating the collapse of Britain's biggest police corruption trial, with charges of cover-ups that could cost South Wales police its reputation. Show more

Tim Rogers reports on the battle between patients and policy makers and hears from those who fear lives could be lost if huge NHS changes go ahead. Show more

Documentary in which Coral and Paul Jones open their home to cameras to reveal what life is like for them following the abduction and murder of their daughter April. Show more

Graham Thomas follows one woman's struggle to get her dying mother the right to NHS-funded care, and investigates the expensive errors made in charging care fees. Show more

A schoolboy told his mum he was going out to play – but his body was found in a river. Police initially said it wasn’t suspicious, but Christopher Kapessa’s mum kept asking questions. Show more

Wyre Davies reports on an underground group that is inciting new recruits to spread racist hate throughout Britain. Show more

With knife crime reaching record levels in Wales, Wyre Davies looks at the impact it is having on our streets. Show more

It’s been described as one of the biggest scandals in the Welsh NHS since devolution. For years, parents and babies were failed at two hospitals run by the Cwm Taf Morgannwg University Health Board. Show more

In the wake of the worst flooding to hit parts of Wales in 40 years, families and communities in the South Wales valleys are struggling to get their lives back together.
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As more people in care homes became infected with coronavirus in Wales, staff arguing for more testing have filmed life in lockdown for them and the residents as they battled the pandemic.

As the NHS in Wales deals with one of its biggest ever challenges, many patients are left wondering what it means for them long term. Show more

The programme goes on the trail of the human traffickers who treat their victims like slaves and force them into a life of misery working. Show more

With record numbers caught up in the housing crisis, why will there be thousands of children waking up in Wales this Christmas with nowhere to call home? Show more

Investigative series. BBC Wales's Week In Week Out goes undercover to investigate a scam where foreign students are taught to cheat their way to a UK visa.

The families of the men who died at the Gleision coal mine speak about the agony of waiting for the trapped men to be found and about their lives since the tragedy. Show more

Tim Rogers reports on the trade in the deadly and illegal drug mephedrone - aka meow meow - and follows the police as they attempt to catch the dealers. Show more

The North Wales child abuse scandal led to a three-year, 13 million-pound investigation. Week In, Week Out speaks to victims and investigates the story behind the headlines. Show more