<p>Danny Robins and the team unpack a terrifying mystery that has remained unsolved for almost 200 years - Spring-heeled Jack. </p><p>The demonic character stalked the streets of Victorian England at night, reportedly slashing his victims with sharp claws, breathing blue-white fire, and evading the police by making impossible leaps over rooftops. </p><p>But was he a real person, a supernatural entity, or the product of mass hysteria? </p><p>Presented by Danny Robins Experts: Evelyn Hollow and Dr Ciaran O’Keeffe Story sections by Tom Neenan Research by Nancy Bottomley and John West Filming and editing by Robb Leech Editing and sound design by Charlie Brandon-King Theme music by Katherine Priddy Theme co-produced by Jennifer Ann Keller Incidental music by Evelyn Sykes Commissioning executive: Paula McDonnell Commissioning editor: Rhian Roberts Produced by Simon Barnard and Victoria Lloyd</p><p>A Bafflegab and Uncanny Media production for BBC Radio 4</p>