Revisited: A Scottish tea mystery, episode two – the list

Science correspondent Nicola Davis investigates the strange story of Tam O’Braan and his attempts to grow tea in Scotland. In episode two of this mini-series first broadcast in October 2025, Nicola hears how O’Braan’s network of Scottish tea growers began to have suspicions about exactly what he was selling and where it came from, and how cutting-edge science helped provide some answers A strange brew: the case of the man behind an audacious Scottish tea fraud Support the Guardian: theguardia...

By Presented by Nicola Davis, produced by Madeleine Finlay, sound design by Joel Cox, the executive producer was Ellie Bury