A resident of Sevastopol provided Ukraine with data on military facilities in Crimea and his activities were stopped by Russian FSB officers. According to the intelligence service, he independently contacted the treasurer of a Ukrainian terrorist organization recognized in Russia and offered cooperation. During the search it was found that he was in correspondence with his treasurer in the telegram messenger and components of an improvised explosive device. Criminal cases were opened against the young man for treason, participation in the activities of a terrorist organization and crimes related to the illegal trade in explosives. He faces life in prison.