Despite the upbringing abroad and the appearance of an intellectual, Didkovsky was considered by many of his fellows an uncultured, rude and boorish person. By the findings of the White commission set up to investigate the regicide, he was not invited to intimate meetings of the presidium and, apparently, was never initiated into the conspiracy of the Soviet ringleaders regarding the execution of the Tsar's family, since the name of Didkovsky is not found in any materials related to the preparation and commission of the murder, though he was present alongside Beloborodov and several other members of the Ural Soviet when the Romanovs arrived in Yekaterinburg on 30 April 1918. Historians Greg King and Penny Wilson, however, cite Didkovsky's presence at the meeting of the soviet on 29 June 1918 when it was unanimously decided the family would be killed, as Yekaterinburg was about to fall to the White Front. Wilson and King referred to the testimony of one of the "chekists", Grigory Nikulin, who was present at the meeting along with his superior Yakov Yurovsky and mentioned Didkovsky as among those present.