<p>Diane Sindall’s murder ignites a movement with women across Birkenhead. Fueled by anger and grief they challenge police attitudes, confront society’s view of women and demand change. </p><p>Against this backdrop Peter Sullivan stands trial. We examine the case built against him with contested confessions, disputed forensic evidence and testimony the jury never heard.</p><p>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.</p><p>There’s graphic descriptions of violence in this series. For details of help and support in the UK, visit bbc.co.uk/actionline.</p>