`` What we 've seen in return is a very overt message of fear . Boris Nemtsov was a former deputy prime minister who became an opposition leader . He had been shot in the back of his head on February 27, 2015, as he walked through central Moscow with two friends.
Boris Nemtsov was a former deputy prime minister who became an opposition leader . He had been shot in the back of his head on February 27, 2015, as he walked through central Moscow with two friends.