of nemtsov think about that? >> reporter: i think there is a sense where people find that offensive. those particular people you mentioned. one strand of inquiry the police are firing up is the members of the opposition carried out the killing or called for the killing to create more sympathy for the calls. the line that the kremlin meant it as a provocation to make the russian government look bad, that is something that doesn't really seriously believes. what is believed here is russia has become a country where a senior politician like boris nemtsov, the leader of the opposition can be gunned down within eye sight of the center of the country. beneath the walls of the