With Kherson firmly back in Ukrainian hands, officials now have the grueling task of restoring order to the port city after nearly nine months of Russian military occupation. An undertaking that, in less than a week of liberation, has involved the investigation of war crimes, dismantling of mines and booby traps, and for the Security Services of Ukraine (SBU), searches for local collaborators and foreign agents of Russia’s security and intelligence services which could still be lurking in the area. The hunt for the enemy within was recently made a little easier after SBU officers discovered a trove of classified...