On Tuesday, nearly eight years after former KGB officer-turned-dissident Alexander V. Litvinenko was killed by radioactive poisoning, the British government announced it was opening a formal investigation into the matter. The decision is likely to further strain already tenuous relations between Russia and Great Britain, who are at odds regarding Russia's annexation of Crimea, their support of Bashar Assad in Syria, and their possible complicity in the downing of Malaysia Airlines Flight 17.
