Kamala just canceled her trip to Vietnam over a report of a "Havana Syndrome Attack" at the embassy there.
I'm a little confused as to why the US can't run this down and figure it out. I could.
It is either audio or it is electromagnetic. There are spectrum analyzers for both. Just need a broadband LNA and a horn on the front end for detection. You could DF them with multiple rigs around the area. Why isn't this being done?