Death of a Codebreaker

By BBC Radio Wales

What's Death of a Codebreaker about?

Dr Sian Williams investigates the story of the Welsh codebreaker whose naked body was found inside a bag in his bath. Mystery still surrounds how and why Gareth Williams died.

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Death of a Codebreaker episodes:

12.05.2023
6. Justice for Gareth
In the sixth and final episode of Death of a Codebreaker, Dr Sian Williams asks what justice for Gareth Williams would look like. She hears from Jim Frazer, the forensic scientist who carried out a review into the case 11...
11.28.2023
5: Private Passions
Young Welshman Gareth Williams was found naked inside a relatively small bag in his bath in 2010. And another theory is that he was the victim of a bizarre sex game gone wrong. There are suggestions he may have had...
11.21.2023
4: Russia
With so many unanswered questions, different theories about what exactly happened to young Welshman Gareth Williams in summer 2010 remain rife. One suggestion is that he was assassinated by a rogue state. A former KGB intelligence officer, an ex-Government Minister...
11.14.2023
3. Unanswered Questions
The inquest into codebreaker Gareth Williams' death threw up many still-unanswered questions about the circumstances surrounding how he died. Here, Dr Sian Williams examines more closely some of the evidence that came to light during the eight-day hearing and, given...
11.07.2023
1. The Cursed Genius
Young Welshman Gareth Williams was a child prodigy who became a talented mathematician and codebreaker working for GCHQ, MI6 and the intelligence services but in the summer of 2010 he was found dead in a bag in the bath at...
11.07.2023
2. Body in a Bag
From the outset, one big question has haunted detectives looking into the death of young Welshman Gareth Williams. How could his body have ended up locked inside a relatively small bag in the bath at his apartment in Central London?!...
10.31.2023
Death of a Codebreaker…. Coming soon
Dr Sian Williams leads a team charting the story of the Welsh codebreaker whose naked and decomposing body was found inside a bag in his bath at his flat in Central London in August 2010. Mystery still surrounds how and why...