"Havana Syndrome" in Serbia

“Havana Syndrome” Attack on American Intelligence Officer Reported from New Country

Here’s the most recent report, with history and several videos, as well as discussion on the technology.

Assuming this is deliberate targeting by a state or nonstate actor, it’s the perfect weapon in a certain way: The targeted group can’t admit they know the cause, since that would be admitting to the world they know about (and therefore must possess) the technology to produce “Havana syndrome” themselves.