With Halloween just around the corner, Laura looks at a 1920s murder case involving high-society parties, heartbreak… and hauntings. This is the story of William Francis Rattenbury, a well-respected (but pretty unpopular) architect who found himself in the middle of a deadly love triangle.

Murder They Wrote with Laura Whitmore and Iain Stirling is available weekly on BBC Sounds. Subscribe now so you never miss an episode. Email us at lauraandiain@bbc.co.uk

Details of help and support with addiction, suicide and feelings of despair are available at bbc.co.uk/actionline.