Two weeks after Russian opposition leader Boris Nemtsov was gunned down on a Moscow bridge overlooking the Kremlin, the murder remains steeped in mystery.
Russia's War Against Ukraine
International Business Times: Boris Nemtsov murder; Chechen separatist leader dismisses Islamist motive in exclusive interview
An unidentified suspect (R) detained over the killing of Russian opposition activist Boris Nemtsov is escorted by a policemen in a court corridor in Moscow on March 8, 2015.
