A collaborative investigation by The Insider uncovered evidence linking the mysterious health condition known as the Havana Syndrome to members of Russia’s military intelligence agency. GRU Unit 29155 reportedly used directed energy weapons to target overseas U.S. government personnel. The Havana Syndrome first came to public attention in 2017 after more than 20 U.S. officials posted to Cuba suffered strange medical ailments in Havana. Since then, over 100 cases have been cited in places such as Guangzhou, China, and even Washington, DC. Victims include American diplomats, spies, military offi…