We now know who killed Emma. But after a nineteen-year wait for justice, at what cost? We hear from the women left to pick up the pieces after years of not being believed.

The man accused of killing Emma goes on trial. In a remarkable twist, the defence discard their plan of attack and the accused chooses to take the stand.

More victims start to contact reporter Sam Poling and it changes the entire course of her investigation. One detective reveals why many women were silenced when reporting attacks.

A decision with the most devastating consequences is made in the hunt for Emma's killer. And what happens to the detectives who challenge the order to let their suspect go?

A dramatic twist in the hunt for Emma's killer. The murder weapon is revealed, but can it be linked to the prime suspect? And those at the heart of the inquiry start to come forward to reporter Sam Poling.

The sexual violence reported, the promises made and the women who wait for justice. What happens after the confrontation and what it means in the hunt for Emma's killer.

CREDITS Reporter: Samantha Poling Producer: Mona McAlinden Audio Editor: Jennifer Tracey Story Editor: Kirsty Williams Audio editing and mixing: Fraser Jackson and Kris McConnachie Executive Producers: Jennifer Tracey and Shelley Jofre Commissioning Editors: Louise Thornton and Gareth Hydes Thanks to Matt Roper Special thanks to Eamon O Connor and all those who trusted us to tell their stories. Who Killed Emma? is created and made by BBC Scotland on BBC Sounds.

Is this man Emma's killer? Sam confronts a prime suspect with her evidence.

CREDITS Reporter: Samantha Poling Producer: Mona McAlinden Audio Editor: Jennifer Tracey Story Editor: Kirsty Williams Audio editing and mixing: Fraser Jackson and Kris McConnachie Executive Producers: Jennifer Tracey and Shelley Jofre Commissioning Editors: Louise Thornton and Gareth Hydes Thanks to Matt Roper Special thanks to Eamon O Connor and all those who trusted us to tell their stories. Who Killed Emma? is created and made by BBC Scotland on BBC Sounds.

The conflicting stories and evidence that point towards a man with a past. Sam investigates the man she thinks she knows.

CREDITS Reporter: Samantha Poling Producer: Mona McAlinden Audio Editor: Jennifer Tracey Story Editor: Kirsty Williams Audio editing and mixing: Fraser Jackson and Kris McConnachie Executive Producers: Jennifer Tracey and Shelley Jofre Commissioning Editors: Louise Thornton and Gareth Hydes Thanks to Matt Roper Special thanks to Eamon O Connor and all those who trusted us to tell their stories. Who Killed Emma? is created and made by BBC Scotland on BBC Sounds.

A suspect comes forward asking for help, but can he be trusted?

CREDITS Reporter: Samantha Poling Producer: Mona McAlinden Audio Editor: Jennifer Tracey Story Editor: Kirsty Williams Audio editing and mixing: Fraser Jackson and Kris McConnachie Executive Producers: Jennifer Tracey and Shelley Jofre Commissioning Editors: Louise Thornton and Gareth Hydes Thanks to Matt Roper Special thanks to Eamon O Connor and all those who trusted us to tell their stories. Who Killed Emma? is created and made by BBC Scotland on BBC Sounds.

The isolated forest where Emma's body is found offers clues, but not the ones you might be expecting.

CREDITS Reporter: Samantha Poling Producer: Mona McAlinden Audio Editor: Jennifer Tracey Story Editor: Kirsty Williams Audio editing and mixing: Fraser Jackson and Kris McConnachie Executive Producers: Jennifer Tracey and Shelley Jofre Commissioning Editors: Louise Thornton and Gareth Hydes Thanks to Matt Roper Special thanks to Eamon O Connor and all those who trusted us to tell their stories. Who Killed Emma? is created and made by BBC Scotland on BBC Sounds.

Disturbing night-time activity in a Glasgow cafe becomes a focus for the police. And the last phone call to Emma's mobile sets alarm bells ringing.

CREDITS Reporter: Samantha Poling Producer: Mona McAlinden Audio Editor: Jennifer Tracey Story Editor: Kirsty Williams Audio editing and mixing: Fraser Jackson and Kris McConnachie Executive Producers: Jennifer Tracey and Shelley Jofre Commissioning Editors: Louise Thornton and Gareth Hydes Thanks to Matt Roper Special thanks to Eamon O Connor and all those who trusted us to tell their stories. Who Killed Emma? is created and made by BBC Scotland on BBC Sounds.