In Birmingham in 1978, a deadly strain of smallpox escaped from a lab causing death and leaving the city in fear and to this day no-one knows how it happened - but podcast series The Lonely Death of Janet Parker has unearthed some startling new answers.Storyteller: Andy Richards, Audio Producer: Lucy Ryan, Executive Producer: Sam Coley, Narrator: Dermot O'Sullivan, Voice Actors: Dave Hill, Peter Smith, Gregory Leadbetter.