US Intelligence Now Split on Possible ‘Havana Syndrome’ Cause

  • Two agencies don’t rule out a foreign adversary’s capabilities
  • The health incidents reported since 2016 remain a mystery

The US embassy in Havana.

Photographer: Yamil Lage/AFP/Getty Images

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Two of seven US intelligence agencies broke with previous assessments that foreign adversaries were not to blame for so-far unexplained health incidents among government employees overseas that came to be known as “Havana Syndrome.”

The latest conclusions highlight the confusion that continues to surround the incidents, which were first reported in 2016. Diplomats and other staff reported headaches, dizziness and other debilitating effects, and one theory was that they were the result of an attack with a directed-sound weapon.