Danilov also promised tough action against Ukrainians in Crimea deemed to be collaborators with the Russian enemy: “In addition to prosecuting perpetrators for collaboration and high treason, a lustration mechanism is under development that will determine the level of responsibility and degree of involvement of Crimean residents in supporting occupation administration activities,” the report said. “Since the Russian attack on Kyiv failed and Ukraine had that wave of success with its first counter-offensives, the idea of retaking Crimea has become integral to the official Ukrainian discourse,” said Jeff Hawn, an expert on Russian security issues and a non-resident fellow at US geopolitical research centre the New Lines Institute. “And that’s why Ukraine’s Western allies are reluctant to openly support the retaking of Crimea