Murder They Wrote with Laura Whitmore and Iain Stirling - 85. The Monkshood Murderer

This week, Iain looks at an historic poisoning case in Wimbledon. When Percy Malcolm dies in his bed at Blenheim House boarding school, his teachers and fellow pupils are horrified. But his headmaster thinks he knows what happened – and he thinks he witnessed it happening…

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.

Published on Monday, 8th September 2025.

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