Laura is taking over again this week to tell the story of the Rue Montaigne murders. When a triple murder takes place in 19th-century Paris, police are led on an Agatha Christie-style chase to hunt down the killer. Expect LOTS of twists and turns!

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.