Quote:
The FBI and other agencies that searched homes and hotels where incidents occurred found no devices. And clues about the circumstances of the incidents seem to make any explanation scientifically implausible.
Al Jazeera's Patty Culhane, reporting from Washington, DC, described the case as a "bizarre international mystery".
"The US is taking these steps and you might ask, "Do they have some evidence? Was Cuba involved?' Well, the answer is 'no'," she said.
"Senior US State Department officials say the investigation is ongoing and that they still have absolutely no idea what harmed their diplomats.
http://www.aljazeera.com/news/2017/0...160350671.html