 He personally shot Grigoriev's bodyguard when he tried to shoot Makhno.On December 2, 1919, he commanded a group of counterintelligence officers during the execution of Mikhail Polonsky (commander of the 3rd Crimean regiment of the RIAU), who was convicted of plotting a Bolshevik coup in parts of the Free Territory.Karetnik was categorically against the signing of the Military-Political Agreement between the Government of the Ukrainian SSR and the Black Army on October 16, 1920, as he did not believe in the sincerity of the Bolsheviks.