In June 2023 over a hundred people got a letter from Harvard Medical School, what it said changed their lives forever. Head Number 7 tells a story about an FBI investigation, an underground network, and human remains being sold on social media.

Join geneticist and ancient DNA specialist Dr Turi King as she investigates the buying and selling of body parts, finds out what it really means to donate your body to science and asks who really owns our bodies once we're gone?

Listen to episodes of Head Number 7 exclusively and ad-free by joining Wondery+ in the Wondery App or Apple Podcasts. Start your free trial today by visiting wondery.com/links/head-number-seven

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