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.