The Beast of Birkenhead: 4. The Wrong Fella

Years after Peter Sullivan’s conviction, community whispers claim the police convicted the wrong man.

Peter refuses to admit guilt and as advances in DNA testing offer a possible breakthrough for him. His legal team battle missing records, discredited forensic methods and a system reisitant to reopening old wounds.

Until one crucial test changes everything.

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.