
5. Unknown Male One
Recorded on the day of Peter Sullivan’s appeal as judges consider new DNA evidence. The verdict reveals that Diane Sindall’s killer has not been found.
Recorded on the day of Peter Sullivan’s appeal as judges consider DNA evidence unavailable in 1987.
As the new evidence points to an unknown male, decades-old evidence crumbles under scrutiny.
The court delivers its decision leaving one devastating truth intact: Diane’s killer has not been found.
Presenter: Olivia Graham.
Producers: Kate Bissell, Gemma Maull and Olivia Graham.
Sound Design and Music Composition: Phil Channell.
Mixing: Ivan Eastley.
Story Consultants: Neil McCarthy, Jack Kibble-White and Kirsty Williams.
Online Producer: Rachael Smith.
Development was by BBC Audio Scotland and BBC Merseyside.
Executive Editors: Gillian Wheelan and Ben Anderson.
Commissioning Editor: Alistair Miskin.
There’s graphic descriptions of violence in this series. For details of help and support in the UK, visit bbc.co.uk/actionline.
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Crime Next Door
A 1986 murder, Britain’s longest miscarriage of justice and a new hunt for a killer.

