 The details about the coup plot were first made public at the end of October 2016 by Serbia's prime minister Aleksandar Vučić, whose public statement on the matter stressed the role of Serbia's law enforcers, especially the Serbian Security Intelligence Agency, in thwarting it.The statement was immediately followed by an unscheduled visit to Belgrade by Nikolai Patrushev, secretary of Russia's Security Council.According to the prime minister Duško Marković′s statements made in February 2017, the government received definitive information about the coup being prepared on 12 October 2016, when a person involved in the plot gave away the fallback scenario of his Russian minders; this information was also corroborated by the security services of NATO member countries, who helped the Montenegrin government to investigate the plot.