According to research by Spiegel, Bellingcat and The Insider, Konstantin Kudryavtsev, who was involved in the Poisoning of Alexei Navalny, traveled to Nalchik on July 13, 2014. Ivan Osipov and Alexey Alexandrov, who, according to research, were also involved in the poison attack on Alexei Navalny, flew to the region on July 22 and July 29, 2014. In the days after Kuashevs death, Osipov and Alexey Alexandrov flew back to Moscow. The same members of the FSB group were involved in deaths of public figure Ruslan Magomedragimov on March 24, 2015 in the town of Kaspiysk in Dagestan and leader of "New Russia" movement Nikita Isaev on November 16, 2019 on the Tambov-Moscow train.