FOIA Request Sheds Light on DIA’s Records Pertaining to ‘Havana Syndrome’

February 23, 2024

On February 22, 2024, The Black Vault received a long-awaited response from the Defense Intelligence Agency (DIA) to a Freedom of Information Act (FOIA) request filed on August 25, 2021. The request sought all records related to the “Havana Syndrome,” a mysterious condition that has affected U.S. diplomats and intelligence officers since 2016.

The U.S. flag flaps in the stiff breeze off the Florida Straits at the U.S. Embassy in Havana, Cuba, on March 22, 2016, as President Obama and U.S. Secretary of State John Kerry meet inside with members of Cuban civil society. [State Department photo/ Public Domain]

Havana Syndrome first came to light when U.S. Embassy staff in Havana, Cuba, reported experiencing unexplained health issues, including headaches, dizziness, and hearing loss. Similar incidents have since been reported by American personnel in various countries, leading to speculation about the cause, ranging from sonic attacks to microwave weapons.

The Black Vault’s request aimed to uncover DIA reports, memos, assessments, and intelligence records pertaining to Havana Syndrome from 2016 to the date of processing. After a lengthy delay, the DIA located one document, consisting of six pages, responsive to the request. However, portions of the document were withheld under FOIA Exemptions 1, 3, and 6, citing reasons related to national security, protection of intelligence sources and methods, and privacy concerns.

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The release of this document, albeit heavily redacted, marks a rare instance of official acknowledgment of records pertaining to Havana Syndrome. It provides a glimpse into the government’s efforts to understand and address the condition, which has been a source of controversy and concern.

The nature and origin of Havana Syndrome remain contentious topics. While some believe it to be the result of hostile actions by foreign adversaries, others argue that psychological factors or environmental causes could be at play. The U.S. government’s cautious approach to releasing information has fueled speculation and calls for greater transparency.