Havana Syndrome linked to Russian military agency GRU, investigation indicates
By Laura Kayali
5-year Havana Syndrome investigation finds new evidence of who might be responsible
By William Croxton
Car chase in Florida Keys reveals potential link between espionage and 'Havana syndrome'
By Janine Stanwood & Tara Copp
Havana syndrome: Report links mystery illness to Russian intelligence unit
Growing mystery of suspected energy attacks draws US concern
By Eric Tucker, Nomaan Merchant & Robert Burns
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Russian GRU Veteran Defects, Vows to Reveal 'War Crimes' in Hague
By Isabel van Brugen
US and partners kicked Russian GRU hackers out of routers, FBI says
By Dina Temple-Raston
Russia revamps GRU spy network to 'disrupt adversaries'
By John Paul Rathbone
What is Russia's GRU military intelligence agency?
By Guy Faulconbridge & Peter Graff
Factbox - What is Russia's GRU military intelligence agency?
By Guy Faulconbridge
“José” turns Mikhail. GRU colonel admits being Russian national
By Thomas Nilsen
A Newly Named Group of GRU Hackers is Wreaking Havoc in Ukraine
By Andy Greenberg & Andrew Couts