In 1858, "Humbug Billy" unknowingly sold arsenic-laced sweets in Bradford. Laura and Iain uncover a tragic case that changed UK food laws forever – plus Batman drops by.
Iain transports us to 1858 Bradford – then the world's wool capital, where confectioner William Hardaker ("Humbug Billy") unknowingly sold arsenic-contaminated sweets that resulted in one of Britain's most devastating mass poisonings.
Plus your emails feature a burglar delivered to police by Batman, a theory about D.B. Cooper, and the street poet who challenged developers with a can of spray paint!
Murder They Wrote with Laura Whitmore and Iain Stirling is available twice a week on BBC Sounds. Subscribe now so you never miss an episode. Email us at lauraandiain@bbc.co.uk.
