Rubuta ci gaba don wannan sakin layi - Dangane da binciken da Spiegel, Bellingcat da The Insider suka yi, Konstantin Kudryavtsev, wanda ke da hannu a cikin guba na Alexei Navalny
, ya tafi Nalchik a ranar 13 ga Yuli, 2014. Ivan Osipov da Alexey Alexandrov, waɗanda, bisa ga bincike, sun kuma shiga cikin harin guba a kan Alexei Navalny, sun tashi zuwa yankin a ranar 22 ga Yuli da 29 ga Yuli, 2014. A cikin 'yan kwanaki bayan mutuwar Kuashev, Osipov da Alexey Alexandrov sun tashi zuwa Moscow. Wadannan membobin kungiyar FSB sun shiga cikin mutuwar jama'a Ruslan Magomedragimov a ranar 24 ga Maris, 2015 a garin Kaspiysk a Dagestan da kuma shugaban kungiyar "New Russia" Nikita Isaev a ranar 16 ga Nuwamba, 2019 a jirgin Tambov-Moscow.