Marc Polymeropoulos, an ex-CIA officer, claims that he was targeted with a secret weapon in his hotel room with his head spinning and ears ringing while he was in Moscow. After going back to the U.S., he had vertigo and migraine headache for three years. He believed that he was targeted with a secret weapon. His suspicions became stronger after finding out that the symptoms he felt were the same symptoms of Havana Syndrome, which happened to US diplomats. Evidence shows that Havana Syndrome is from Russia.