This week’s episode is the result of a collaboration with The Sound, a recent limited series podcast exploring the so-called Havana Syndrome. The guests are host and investigative journalist Nicky Woolf (Twitter), former senior CIA operations officer and sufferer Marc Polymeropoulos (Twitter), and attorney and advocate Mark Zaid (Twitter).

"There’s a betrayal I felt when the CIA didn't give me the medical attention that I needed. You know, if you're not feeling well and an employee comes to you, send 'em to the doctor. And they weren't able to do that. And to me, that's just a leadership fail for the ages." – Marc Polymeropoulos.

• Havana Syndrome is an example of a toponymic term in the medical field – A name that comes from a geographic place. For more on medical etymology, check out this article that shares the backstory of the name of 7 well-known conditions.