article_snippet: The killing of 55-year-old Mr Nemtsov, who was shot near the Kremlin in late February, has infuriated the opposition, which sees Putin as responsible.
article_snippet: Nemtsov was gunned down close to the Kremlin last month as Nemtsov walked home late at night with Nemtsov girlfriend . '
article_snippet: Nemtsov - a prominent Putin foe - was gunned down close to the Kremlin on 27 February as Nemtsov - a prominent Putin foe - walked home late at night with Nemtsov - a prominent Putin foe - Ukrainian model girlfriend Anna Duritskaya.
article_snippet: More startling revelations to be reported today included claims Nemtsov's murder was ordered by a senior security official in Chechnya.
article_snippet: The identity of the man - named only Ruslan, and said to be a close relative of top political figures in the region - is known to Nemtsov - a prominent Putin foe - and the FSB, but Nemtsov - a prominent Putin foe - has not been detained, reported Novaya Gazeta, Russia's leading investigative newspaper.
article_snippet: Nemtsov - a prominent Putin foe - has been told in addition that three other prominent liberal figures are on a chilling Chechen 'hit list'.
article_snippet: Nemtsov - a prominent Putin foe - body sits in a body-bag as authorities work at the scene of Nemtsov - a prominent Putin foe - killing in Moscow last month .
article_snippet: They are exiled Mikhail Khodorkovsky, a former oil tycoon who was jailed for a decade under Nemtsov - a prominent Putin foe - but now says Nemtsov - a prominent Putin foe - has ambitions to become president; Alexei Venediktov, respected editor of editorially independent Ekho Mosocw radio; and glamorous Ksenia Sobchak, a TV presenter and opposition blogger, daughter of Nemtsov - a prominent Putin foe -'s political mentor Anatoly Sobchak, former mayor of St Petersburg.
article_snippet: Other media in Russia today named him as Ruslan Geremeev.
article_snippet: In sensational claims, the newspaper reported that the man who ordered 55-year-old Nemtsov's murder is a highly decorated major in the same Interior Ministry unit called 'North' in Chechnya in which alleged killer Dadayev served until recently.
article_snippet: Novaya Gazeta said Novaya Gazeta did not name the man who ordered 55-year-old Nemtsov's murder because of the presumption of innocence, but admitted the alleged mastermind's identity 'is known to dozens, if not hundreds, of members of the FSB and the Investigation Committee'.
article_snippet: Nemtsov was a prominent anti-Putin foe.
article_snippet: Nemtsov is said to have been questioned by investigators on Monday, though not detained.
article_snippet: Nemtsov uncle was named as Suleiman Geremeev, a senator for Chechnya in the Russian upper house.
article_snippet: Another relative is Russian MP Adam Delimkhanov, a close henchman of powerful Chechen ruler Ramzan Kadryov, a key Putin ally. '
article_snippet: The mystery over Putin's whereabouts come amid claims that opposition leader Boris Nemtsov was assassinated on the orders of the Kremlin, and allegations the main suspect was tortured and threatened with death. '