When the room begins spinning wildly, CIA agent Marc believes he has been hit on an assignment in Moscow. It turns out, an eerily similar phenomena in the Russian capital - affecting US embassy staff – happened before, in the 1970s…

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Havana Helmet Club is a Yarn production for Radio 4 and BBC Sounds

Little Havana, Miami, is the political beating heart of Havana Syndrome - its own fascinating, often violent history beginning at the Bay of Pigs, becomes entwined with our story when powerful Cuban Americans pick up the issue, and call for an end to the Cuban regime.

Havana Helmet Club is written and presented by Jennifer Forde and Sam Bungey

A Yarn production for Radio 4 and BBC Sounds

After a State Department source hands a scoop to a Washington journalist, the Havana situation goes public in spectacular fashion.

A media and political storm gathers around multiple investigations into the alleged sonic attacks in Havana. Figures within the Trump administration push to punish Cuba. With agents dropping like flies, the CIA takes dramatic action.

New episodes will be released weekly, wherever you get your podcasts, but if you are in the UK, you can listen to the latest episodes a week early, first on BBC Sounds.

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Havana Helmet Club is a Yarn production for Radio 4 and BBC Sounds

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A growing cluster of unexplained illnesses among US diplomats forces a response from the government. One CIA field agent refuses to let the issue be ignored, becoming both advocate and investigator. As more reports surface, the agency sends a medical expert to assess the situation on the ground.

What happens next sends shockwaves through the case. In a story filled with doubt, deflection, and delayed decisions, the line between investigator and victim suddenly begins to blur - raising new questions about the nature of the threat, and whether anyone is truly safe.

New episodes will be released weekly, wherever you get your podcasts, but if you are in the UK, you can listen to the latest episodes a week early, first on BBC Sounds.

Havana Helmet Club is written and presented by Jennifer Forde and Sam Bungey

Havana Helmet Club is a Yarn production for Radio 4 and BBC Sounds

US Marine Jim Tracy returns to Havana to raise the American flag he once lowered in 1961. It marks a hopeful new chapter of US-Cuban relations, created through quiet diplomacy and unlikely backchannels involving senators, spies, and even Pope Francis. But just as the mood shifts toward reconciliation, a young CIA officer lands in Havana and soon begins experiencing something strange and deeply troubling. His illness—and the mysterious sound that seems to trigger it—threatens not just his mission, but the entire political thaw.

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It takes a certain type of person to be a CIA agent in Havana. Subjected to constant harassment and surveillance, it is a claustrophobic and eerie world to navigate. And when one agent hears a mysterious sound causing him real-world symptoms, it raises fears of a covert weapon.

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For nine years, US officials have been experiencing mysterious sounds and pressure and falling sick.

Acclaimed presenters of the hit podcast West Cork, Sam Bungey and Jennifer Forde, investigate the enduring mystery of ‘Havana Syndrome’ believed by some to be caused by a secret directed energy weapon.

They look for answers from spies, politicians, diplomats, brain and weapons experts, and they keep returning to the enigmatic spy at the centre, known as Patient Zero.

New episodes will be released weekly, wherever you get your podcasts, but if you are in the UK, you can listen to the latest episodes a week early, first on BBC Sounds.