A source familiar with the symptoms told NBC News, which was the first to report on the findings from NAS, that the CIA had determined Russian operatives who had worked on microwave weapons were in the same cities as CIA agents at the time they began experiencing the neurological symptoms.
U.S. diplomats in Cuba began experiencing the symptoms in late 2016, reporting they were hearing strange sounds and experiencing odd physical sensations before becoming sick. Some of those symptoms disappeared, while others lingered.
Cuba has denied any knowledge of the illnesses. more