BBC Wales Investigates

BBC Wales Investigates the story of undercover policing - officers paid to spy on political activists. But some overstepped the mark - having relationships with women, sleeping with women and even fathering children with them. Two Welsh women tell their full story on TV for the first time about the impact it's had on them, and how they hope those responsible will one day be held to account.

The “Fred and Rose West of Barry” abused teenage girls for decades in the seaside town but did they act alone? The victims, who have waived their right to anonymity, believe there was a network of other predators, including police officers. Why was evidence destroyed and why was the couple the only abusers in the dock?

Over five months, Wyre Davies follows the lives of those living on the streets of Cardiff and questions why, despite efforts to help, so many continue to be trapped on those streets. Could a new solution, yet to be introduced, end rough sleeping?

The tragic death of Emiliano Sala in a plane crash touched thousands of people across the world. BBC Wales Investigates examines the circumstances of the crash and travels to Argentina to speak exclusively with his family and friends to find out more about the footballer and their hopes for justice.

With knife crime reaching record levels in Wales, Wyre Davies looks at the impact it is having on our streets. He speaks to a 15 year old who admits to carrying a knife for the last two years which, he says, he wouldn't be afraid to use and goes on the front line with police trying to rid our communities of weapons. Can they succeed?

BBC Wales Investigates the people behind the multimillion-pound puppy industry. New owners can spend thousands of pounds on dogs, but what's really going on inside licenced premises? Wyre Davies confronts the breeders, inspectors and vets who should be policing the trade.

We’ve wrestled with it for three years; it’s divided the country, politicians and families. Over several turbulent weeks, Wyre Davies speaks to farmers who fear the worst; families who don’t see eye to eye on Brexit; and businesses trying to second guess its effects on them. What could be the impact of Brexit for what goes on our plates? BBC Wales Investigates.