WASHINGTON — The CIA doesn’t believe that a foreign adversary is engaged in a global campaign targeting U.S. personnel wielding a secret weapon, intelligence officials revealed this week. But the agency still cannot explain a core group of over two dozen cases — including those in Cuba that drove the phenomenon into the public consciousness over five years ago.
Several cases that occurred in the Cuban capital in 2016 that gave the series of anomalous health incidents its moniker, “Havana syndrome,” remain at the core of an intelligence analysis that national security officials say has zeroed in on a subset of unexplained events.
The cases still under examination — in an analysis that continues to be led by a senior CIA officer who previously led the hunt for Osama bin Laden — remain a mystery and include clusters in a handful of locations. Officials have not ruled out that these episodes are the result of targeted attacks by a foreign actor.
