The Apartheid Killer – a new investigation. All the victims were black and the youngest was just 12 years old. Some relatives are still searching for the graves. They were killed during a three-year bloodbath in the 1980s, in the South African city of East London – by one person. He killed so many, he lost count. It has been 30 years since the white supremacist apartheid regime crumbled. The unresolved trauma of this time has cast a long shadow across a nation. In piecing together this story, the new season of World of Secrets exposes the disturbed past and racial injustices of South Africa itself. To hear more, search for World of Secrets, wherever you get your podcasts. World of Secrets is the BBC podcast about the stories they don’t want told. Delve into a World of Secrets – major BBC global investigations and gripping storytelling. Holding the powerful to account and exposing scandals around the world.

An aspiring male model hopes a meeting with Abercrombie and Fitch’s former CEO could be a career break. But it's far from a dream opportunity - revealing fashion’s dark side. Listen to World of Secrets Season 1 – The Abercrombie Guys.

Megan’s mother disappears, Jamie tries to track her down. Evidence published reveals a shocking conclusion. Finally, Jamie can give everyone involved some answers.

Why did Megan and her mother set up Believe in Magic? Jamie investigates their link to pop megastars One Direction. He discovers crucial evidence is about to be published.

Revelations about Megan’s childhood provide vital clues. An expert tells Jamie about a little - understood yet disturbing medical phenomenon.

The news creates shock waves. Could the sleuths have got it wrong? Jamie gains rare access to doctors’ reports, which could reveal what happened to Megan.

The sleuths reveal their findings. Believe in Magic’s supporters defend Megan. Some terrible news breaks, that forces the sleuths to reconsider everything they’ve discovered.

Megan fundraises for treatment abroad. Her condition deteriorates while in hospital in America. When anonymous sleuths discover she’s not where she claims, who will believe them?

A teenage girl with a brain tumour starts a charity for sick children. It captures the support of pop megastars, One Direction. But questions arise - is Megan really ill?

Charity, celebrity, illness and control. The extraordinary story of a teenage girl and her charity Believe in Magic, which ends up challenging the very nature of sickness itself.