Leaked documents have linked the opaque company running the trollfactory to structures close to the Kremlin, but there has been no hard evidence.
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Russian trollfactories: researchers damn Twitter's refusal to share data Read more What can we do?
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The TrollFactory Much of the indictment focuses on the mysterious IRA, located at 55 Savushkina Street in St. Petersburg.
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Read more US investigators have long signalled their belief that Prigozhin, a 56-year-old billionaire businessman, is behind Russia's internet trollfactories.