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Jul 22, 2025 41 min

The Lab Detective

from The Slow Newscast

Kathleen Folbigg was known as ‘Australia's worst female serial killer’ - she’d lost all four of her infant children and was convicted for killing them. Until, after spending decades in jail, a scientist working in a lab uncovered the truth behind the deaths. The Lab detective is the story of a shocking miscarriage of justice, and an investigation into why Kathleen’s story might not be the last. To listen to more episodes of The Lab Detective, go to Tortoise Investigates. Our thanks to The Francis Crick Institute for sharing recordings and insights. Reporter: Rachel Sylvester Producer: Gary Marshall Music supervisor: Karla Patella Sound design: Rowan Bishop Podcast artwork: Lola Williams Executive producer: Basia Cummings Subscribe to TheObserver+ on Apple Podcasts for early access and ad-free content head to our website observer.co.uk Download the Tortoise app – for a listening experience curated by our journalists If you want to get in touch with us directly about a story, or tell us more about the stories you want to hear about contact [email protected]

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The Lab Detective

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This episode was published on July 22, 2025.

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