Russian military intelligence officers (GRU) may be behind possible "

According to the newspaper, there is no exact evidence of this yet, the intelligence community did not come to a consensus and did not issue an official determination, but the authorities stepped up the investigation..

The interlocutors of the publication indicated that the GRU is the only Russian special service that has the technology to organize " A former US national security official told Politico that Israel and China may have similar technologies, but they do not work in all places where incidents were recorded..

Victims of Alleged Attacks Report Symptoms Similar to 2016 Havana Syndrome. Then, American diplomats reported strange high-frequency sounds, after which they experienced severe headaches, nausea, fatigue, dizziness and loss of coordination and hearing.. In September 2017, the United States withdrew most of its diplomatic corps from the Cuban capital. Then-US President Donald Trump blamed the attacks on Cuban authorities and expelled 15 Cuban diplomats from Washington. Havana rejected any involvement in the attacks.

Washington suggests that special high-frequency sound equipment has been used against diplomats since late 2016, which could cause hearing problems and brain damage..

In June 2018, the United States recalled several diplomatic officials from China after they said they had been " She, they said, was very similar to the one that happened to American diplomats in Cuba.. Chinese authorities said they will investigate the incident and "

In 2019, a White House employee said she was sonically attacked in Virginia.. Another case was identified in November 2020. The incident allegedly took place near the White House.

According to Politico sources, it is not yet clear if the attacks overseas are related to similar incidents in the United States..

September 2018?

NBC News referred to five anonymous sources in the US intelligence services who allegedly suspect Russia of committing " Later, at that time, the representative of the US State Department, Heather Neuert, said that the American authorities had no evidence that Russia was involved in the " Then she said that the investigation was ongoing.

According to Present Tense, at the end of 2019, magnetic resonance imaging confirmed structural changes in the brain in 40 employees of the US diplomatic mission in Cuba..