After Russian opposition leader and anti-corruption campaigner Boris Nemtsov was gunned down Friday a few steps from the Kremlin, whodunit suspicions immediately fell on his greatest foe: President Vladimir Putin.
Russia's War Against Ukraine
Vice: Russian opposition blames Kremlin propaganda for killing Boris Nemtsov

Russia's President Vladimir Putin reacts as he speaks to the media after a summit aimed at ending 10 months of fighting in Ukraine in Minsk on Feb. 12, 2015.