Each Christmas, a giant tree lights up London’s Trafalgar Square. Behind the custom: 007 author Ian Fleming and a secret mission to Norway. This is the story of how wartime espionage gave Britain its most spectacular festive tradition.

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New Prime Minister Joseph Mobutu’s grip on power is shaky. It’s Patrice Lumumba who has the people’s support. So the CIA and MI6 start plotting to oust him using any means necessary.

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While Patrice Lumumba battles to control his country, MI6 officer Daphne Park and CIA officer Larry Devlin are secretly battling to stop him turning to the Soviets for help.

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Newly independent Congo is spiralling into disorder. Disorder the Communists could be quick to exploit. MI6 officer Daphne Park needs to act, and fast.

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When MI6 sends officer Daphne Park to help stop a communist takeover in Congo, it kickstarts one of the darkest operations in MI6 and CIA history. Because security services either need to win the trust of Congo’s first prime minister, or remove him.

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In a groundbreaking investigation into the poisoning of Sergei Skripal, journalism group Bellingcat exposed previously unknown details of the Salisbury Poisonings that blew the case wide open. Journalist and Bellingcat founder Elliot Higgins and host Charlie Higson explore where the responsibility to protect covert operations ends and the public's right to be informed begins.

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As hospital medics battle to save the first victims of the Salisbury poisonings, police hunt the perpetrators. And while they're searching, the spy war between Russia and the West heats up, with an eventful call between Prime Minister Theresa May and President Donald Trump.

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In a top-secret Russian laboratory, a terrifying chemical weapon called Novichok is about to be hauled out of storage, and will soon reach the streets of British city Salisbury.

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Sergei Skripal is easing into retirement with a side hustle as a MI6 agent, and enjoying the Spanish seaside. Meanwhile, the KGB’s successor, the FSB, is on the hunt for traitors after a tip-off from a mole inside Spain’s intelligence service.

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When the USSR falls apart, GRU officer Sergei Skripal finds himself adrift in the new Russia, having never asked for the country's new democracy. So when he meets a shadowy wine dealer, he leaps at the chance to make some money, without a clue how the deal would lead him to Salisbury.

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Why did Fuchs take such a huge gamble by sharing US nuclear secrets with the Soviets? Was Oppenheimer's fellow physicist seeking peace - or war? Charlie Higson talks to Frank Close, an author and physicist, about Fuchs' decision and its impact on the course of history.

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