We know that in the 1970s the Soviets used microwave weapons against American diplomats. Maybe with the cooperation of other countries, Putin's Russia is doing it again.
sonic attack
To make progress in this investigation of a suspected sonic attack against American diplomats, the U.S. will Cuba's cooperation. That seemed to be occurring, but no longer. This week Cuban scientists declared that there was no sonic attack at all. Instead, they blamed stress and mass hysteria.