Basia begins unravelling the ‘tissue of lies’, but it becomes clear that some of Oliver’s claims exist in the grey area, and in the secretive world in which he works, it’s hard to sift fact from fiction. Did he serve in the military? Is he an aristocrat? And as she traces his rise in national security, she is pulled into a bigger story – about a company, and a threat that is facing us all.

The first three episodes are available to Tortoise members on the free Tortoise audio app, and subscribers to Tortoise+ on Apple Podcasts.

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