Why Is This Happening? With Chris Hayes

Starting in 2016, U.S. diplomats and spies began reporting a wide range of mysterious and debilitating medical symptoms, first in Cuba and then around the world. Doctors who initially treated patients couldn’t come up with a diagnosis and some just called it “The Thing.” Patients said they felt like they were hit by an invisible, directed pressure while stationed on government property, or sometimes standing in their own homes or hotel rooms. The intense health effects, which some have referred to as potentially psychogenic, included high pitched ringing in ears, vertigo, memory loss and brain zaps. The set of medical conditions became known as Havana Syndrome. Why has investigating this been so difficult? Who or what force could be behind all of this? Although the C.I.A. has maintained that it’s unlikely that the cases were caused by foreign adversaries, many questions and doubts remain about the agency’s findings. Award-winning journalists Jon Lee Anderson and Adam Entous explore some of these questions in