Dmitry Kovtun

Dmitry Vladimirovich Kovtun (; 25 September 1965 – 4 June 2022) was a Russian businessman and KGB agent who was suspected to have murdered the former Russian spy and later British citizen Alexander Litvinenko in London, England. In 2021 the European Court of Human Rights found beyond reasonable doubt that Andrey Lugovoy and Kovtun had killed Litvinenko. Provided by Wikipedia