Wagner leader Yevgeny Prigozhin had to accelerate the timeline of his mutiny, the WSJ reported. Russia's intelligence unit, otherwise known as Federal Security Service (FSB), became aware of Prigozhin's mutiny plans around 48 hours before it took place, which could in part explain its failure, the report said. The feud escalated dramatically several weeks before the failed rebellion when Shoigu announced that Wagner soldiers would have to sign contracts with his ministry. Prigozhin had initially thought that Russian soldiers would turn on their commanders and join the mutiny, The Wall Street Journal said. Western intelligence agencies were also informed about Prigozhin's plans by looking at satellite imagery and electronic communications intercepts, the report said.

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Persons: Wagner, Yevgeny Prigozhin, Prigozhin, —, Vladimir Putin, Sergei Shoigu, General Valery Gerasimov, Shoigu, Viktor Zolotov, Putin, Zolotov Organizations: Service, Street, Federal Security Service, Defence, Street Journal, National Guard of Locations: Russian, Rostov, Voronezh, Moscow, Belarus, Ukraine, National Guard of Russia