Serial follows the story of Adnan Syed, pictured, who was convicted of first-degree murder in 1999 in Baltimore County, aged just 17, following the death of his ex-girlfriend Hae Min Lee.

The show will be broadcast on Radio 4 Extra on Sunday 7 December at 9pm, then episodes will be aired daily until the series reaches its conclusion – which will be aired the same day internationally.

The show, currently into its 10th weekly episode, is presented and produced by Sarah Koenig, and has gripped listeners with its forensic, detailed investigation of the details of Syed's case. Koenig has interviewed a long list of people involved with the original case and has raised questions over both the state's case against him and also Syed's protestations of innocence.