The moments before Boris Nemstov's death

The murder of Russian opposition figure Boris Nemstov is like something from a novel. The high-profile Vladimir Putin critic was gunned down in the shadow of the Kremlin. CNN’s Ivan Watson traces Nemstov's last steps in Moscow.

CNN's Ivan Watson stands next to murdered Russian dissident Boris Nemtsov, 3 March 2015. Picture: Supplied/EWN.