On Aug. 9, 2017, CBS correspondent Steve Dorsey broke the story that U.S. diplomats in Havana had been sickened by a mysterious illness, the cause of which no one could put their finger on. At the time no one had any answers about what happened. Doctors determined they were likely suffering from some kind of ultrasonic device. But since then other possibilities have arisen. Chris Simmons, a retired supervisory counterintelligence officer from the Defense Intelligence Agency with deep experience related to Cuba, has a theory and supporting evidence that makes perfect sense and is very plausible.