World Dmitry Kovtun, Accused Killer of Russian Dissident, Dies at 56 June 9, 2022June 9, 2022SAM ROBERTSComments Off on Dmitry Kovtun, Accused Killer of Russian Dissident, Dies at 56 He and another ex-spy were found by British authorities to have served polonium-laced tea in London to an intelligence agent who had defected.
