(01 of35)
Open Image ModalRussian police investigate the the body of Boris Nemtsov, a former Russian deputy prime minister and opposition leader at Red Square with St. Basil Cathedral in the background in Moscow, Russia, Saturday, Feb. 28, 2015.(AP Photo/Pavel Golovkin) (credit:ASSOCIATED PRESS)
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Open Image ModalPolice and medics surround the body of Boris Nemtsov, a leading opposition figure and former deputy prime minister, who was shot and killed near the Kremlin, Moscow in the early hours of Saturday, Feb. 28, 2015. (credit:ASSOCIATED PRESS)
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Open Image ModalPolice guards the place of murders of Boris Nemtsov on Moskvoretsky bridge in Moscow, Russia on February 28, 2015. (Dmitry Kuchev/Kommersant Photo via Getty Images). (credit:Kommersant Photo via Getty Images)
(04 of35)
Open Image ModalThe body of Russian opposition leader Boris Nemtsov, covered by plastic, lies on Bolshoi Moskvoretsky bridge near St. Basil cathedral (background) in central Moscow on February 28, 2015. (DMITRY SEREBRYAKOV/AFP/Getty Images) (credit:DMITRY SEREBRYAKOV via Getty Images)
Russia Opposition Leader Killed(05 of35)
Open Image ModalFlowers lie on the ground as Russian police officers stand near the place where Boris Nemtsov, a former Russian deputy prime minister and opposition leader, was kiiled at Red Square with the Kremlin Wall in the background in Moscow, Russia, Saturday, Feb. 28, 2015. Nemtsov, sharp critic of President Vladimir Putin, was gunned down Saturday, just a day before a planned protest against the government. The death of Nemtsov ignited a fury among opposition figures who assailed the Kremlin for creating an atmosphere of intolerance of any dissent and called the killing an assassination. Putin quickly offered his condolences and called the murder a provocation. (AP Photo/Pavel Golovkin) (credit:ASSOCIATED PRESS)
Russia Opposition Leader Killed(06 of35)
Open Image ModalA Russian police officer stands next to trace of the body of Boris Nemtsov, a former Russian deputy prime minister and opposition leader, at Red Square with the Kremlin Wall in the background in Moscow, Russia, Saturday, Feb. 28, 2015. Nemtsov, sharp critic of President Vladimir Putin, was gunned down Saturday, just a day before a planned protest against the government. The death of Nemtsov ignited a fury among opposition figures who assailed the Kremlin for creating an atmosphere of intolerance of any dissent and called the killing an assassination. Putin quickly offered his condolences and called the murder a provocation. (AP Photo/Pavel Golovkin) (credit:ASSOCIATED PRESS)
Russia Opposition Leader Killed(07 of35)
Open Image ModalA municipal worker washes the place where Boris Nemtsov, a former Russian deputy prime minister and opposition leader, was kiiled at Red Square with St. Basil Cathidral in the background in Moscow, Russia, Saturday, Feb. 28, 2015. Nemtsov, sharp critic of President Vladimir Putin, was gunned down Saturday near the Kremlin, just a day before a planned protest against the government. The death of Nemtsov ignited a fury among opposition figures who assailed the Kremlin for creating an atmosphere of intolerance of any dissent and called the killing an assassination. Putin quickly offered his condolences and called the murder a provocation. (AP Photo/Pavel Golovkin) (credit:ASSOCIATED PRESS)
Russia Opposition Leader Killed(08 of35)
Open Image ModalRussian opposition leader Ilya Yashin, center, reacts as police investigate the the body of Boris Nemtsov, a former Russian deputy prime minister and opposition leader at Red Square in Moscow, Russia, Saturday, Feb. 28, 2015. Russia\'s Interior Ministry says Boris Nemtsov, a leading opposition figure and former deputy prime minister, has been shot and killed near the Kremlin. Nemtsov, a sharp critic of President Vladimir Putin, was killed early Saturday. His death comes just a day before a major opposition rally in Moscow. (AP Photo/Pavel Golovkin) (credit:ASSOCIATED PRESS)
Russia Opposition Leader Killed(09 of35)
Open Image ModalOpposition leader and former Russian prime minister Mikhail Kasyanov, foreground right, stands as the body of Boris Nemtsov, a former Russian deputy prime minister and opposition leader lies at Red Square in Moscow, Russia, Saturday, Feb. 28, 2015. Russia\'s Interior Ministry says Boris Nemtsov, a leading opposition figure and former deputy prime minister, has been shot and killed near the Kremlin. Nemtsov, a sharp critic of President Vladimir Putin, was killed early Saturday. His death comes just a day before a major opposition rally in Moscow. (AP Photo/Pavel Golovkin) (credit:ASSOCIATED PRESS)
Russia Opposition Leader Killed(10 of35)
Open Image ModalThe body of Boris Nemtsov, a former Russian deputy prime minister and opposition leader lies at Red Square with St. Basil Cathedral in the background in Moscow, Russia, Saturday, Feb. 28, 2015. Russia\'s Interior Ministry says Boris Nemtsov, a leading opposition figure and former deputy prime minister, has been shot and killed near the Kremlin. Nemtsov, a sharp critic of President Vladimir Putin, was killed early Saturday. His death comes just a day before a major opposition rally in Moscow.(AP Photo/Pavel Golovkin) (credit:ASSOCIATED PRESS)
Russia Opposition Leader Killed(11 of35)
Open Image ModalPolice and medics surround the body of Boris Nemtsov, a leading opposition figure and former deputy prime minister, who was shot and killed near the Kremlin, Moscow in the early hours of Saturday, Feb. 28, 2015. Nemtsov, a sharp critic of President Vladimir Putin, was killed early Saturday. His death comes just a day before a major opposition rally in Moscow. (credit:ASSOCIATED PRESS)
Boris Nemtsov Shot Dead(12 of35)
Open Image ModalMOSCOW, RUSSIA - FEBRUARY 28: General view the place of murder of Russian opposition leader Boris Nemtsov on Bolshoi Moskvoretsky bridge in Moscow, Russia on February 28, 2015. Russian opposition leader and formed Deputy Prime Minister Boris Nemtsov was shot dead at night February 28 just a few steps from the Kremlin. (Photo by Vasily Shaposhnikov/Kommersant Photo via Getty Images). (credit:Kommersant Photo via Getty Images)
Russian Opposition Leader Boris Nemtsov Killed In Moscow(13 of35)
Open Image ModalMOSCOW, RUSSIA - FEBRUARY 28: Russian police investigators stand guard near the Bolshoi Moskvoretsky bridge on February 28, 2015 in central Moscow, Russia. Russian opposition leader Boris Nemtsov, a fierce critic of President Boris Yeltsin, was shot dead in central Moscow ahead of a major opposition rally this weekend, investigators and police said. (Photo by Sasha Mordovets/Getty Images) (credit:Sasha Mordovets via Getty Images)
Russian Opposition Leader Boris Nemtsov Killed In Moscow(14 of35)
Open Image ModalMOSCOW, RUSSIA - FEBRUARY 28: Russian police investigators stand near the body of killed Russian opposition leader and former Deputy Prime Minister Boris Nemtsov, covered by plastic, on Bolshoi Moskvoretsky bridge near St. Basil cathedral on February 28, 2015 in central Moscow, Russia. Russian opposition leader Boris Nemtsov, a fierce critic of President Boris Yeltsin, was shot dead in central Moscow ahead of a major opposition rally this weekend, investigators and police said. (Photo by Sasha Mordovets/Getty Images) (credit:Sasha Mordovets via Getty Images)
Russian Opposition Leader Boris Nemtsov Killed In Moscow(15 of35)
Open Image ModalMOSCOW, RUSSIA - FEBRUARY 28: A Russian police officer stand guard near the Bolshoi Moskvoretsky bridge on February 28, 2015 in central Moscow, Russia. Russian opposition leader Boris Nemtsov, a fierce critic of President Boris Yeltsin, was shot dead in central Moscow ahead of a major opposition rally this weekend, investigators and police said. (Photo by Sasha Mordovets/Getty Images) (credit:Sasha Mordovets via Getty Images)
Russian Opposition Leader Boris Nemtsov Killed In Moscow(16 of35)
Open Image ModalMOSCOW, RUSSIA - FEBRUARY 28: Russian police investigators stand near the body of killed Russian opposition leader and former Deputy Prime Minister Boris Nemtsov, covered by plastic, on Bolshoi Moskvoretsky bridge near St. Basil cathedral on February 28, 2015 in central Moscow, Russia. Russian opposition leader Boris Nemtsov, a fierce critic of President Boris Yeltsin, was shot dead in central Moscow ahead of a major opposition rally this weekend, investigators and police said. (Photo by Sasha Mordovets/Getty Images) (credit:Sasha Mordovets via Getty Images)
Russian Opposition Leader Boris Nemtsov Killed In Moscow(17 of35)
Open Image ModalMOSCOW, RUSSIA - FEBRUARY 28: Russian police investigators stand guard near the Bolshoi Moskvoretsky bridge on February 28, 2015 in central Moscow, Russia. Russian opposition leader Boris Nemtsov, a fierce critic of President Boris Yeltsin, was shot dead in central Moscow ahead of a major opposition rally this weekend, investigators and police said. (Photo by Sasha Mordovets/Getty Images) (credit:Sasha Mordovets via Getty Images)
Russian Opposition Leader Boris Nemtsov Killed In Moscow(18 of35)
Open Image ModalMOSCOW, RUSSIA - FEBRUARY 28: Russian Interior Minister Vladimir Kolokoltsev (C) obseves a place where Russian opposition leader and former Deputy Prime Minister Boris Nemtsov was killed on Bolshoi Moskvoretsky bridge near St. Basil cathedral on February 28, 2015 in central Moscow, Russia. Russian opposition leader Boris Nemtsov, a fierce critic of President Boris Yeltsin, was shot dead in central Moscow ahead of a major opposition rally this weekend, investigators and police said. (Photo by Sasha Mordovets/Getty Images) (credit:Sasha Mordovets via Getty Images)
RUSSIA-POLITICS-MURDER-OPPOSITION-NEMTSOV(19 of35)
Open Image ModalMedics lift the body of Russian opposition leader Boris Nemtsov, covered with plastic, on Moskvoretsky bridge near St. Basil cathedral in central Moscow on February 28, 2015. Russian opposition leader Boris Nemtsov, a fierce critic of President Boris Yeltsin, was shot dead in central Moscow ahead of a major opposition rally this weekend, investigators and police said. AFP PHOTO / DMITRY SERERYAKOV (Photo credit should read DMITRY SEREBRYAKOV/AFP/Getty Images) (credit:DMITRY SEREBRYAKOV via Getty Images)
RUSSIA-POLITICS-MURDER-OPPOSITION-NEMTSOV(20 of35)
Open Image ModalMedics lift the body of Russian opposition leader Boris Nemtsov, covered with plastic, on Moskvoretsky bridge near St. Basil cathedral in central Moscow on February 28, 2015. Russian opposition leader Boris Nemtsov, a fierce critic of President Boris Yeltsin, was shot dead in central Moscow ahead of a major opposition rally this weekend, investigators and police said. AFP PHOTO / DMITRY SERERYAKOV (Photo credit should read DMITRY SEREBRYAKOV/AFP/Getty Images) (credit:DMITRY SEREBRYAKOV via Getty Images)
Boris Nemtsov Shot Dead(21 of35)
Open Image ModalMOSCOW, RUSSIA - FEBRUARY 28: The body of Russian opposition leader Boris Nemtsov, covered by plastic, lies on Bolshoi Moskvoretsky bridge in Moscow, Russia on February 28, 2015. Russian opposition leader and formed Deputy Prime Minister Boris Nemtsov was shot dead at night February 28 just a few steps from the Kremlin. (Photo by Gennady Gulyaev/Kommersant Photo via Getty Images). (credit:Kommersant Photo via Getty Images)
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Open Image Modal In this file photo taken on Saturday, March 15, 2014, Boris Nemtsov, a former Russian deputy prime minister and opposition leader addresses demonstrators during a massive rally to oppose president Vladimir Putin\'s policies in Ukraine, in Moscow, Russia. (AP Photo/Alexander Zemlianichenko, File) (credit:ASSOCIATED PRESS)
APTOPIX Russia Opposition Leader Killed(23 of35)
Open Image ModalA group of ambassadors to Russia lay flowers at the place where Boris Nemtsov, a charismatic Russian opposition leader and sharp critic of President Vladimir Putin, was gunned down, at Red Square, with St. Basil Cathedral in the back and the Kremlin at left, in Moscow, Russia, Saturday, Feb. 28, 2015. Nemtsov was gunned down Saturday near the Kremlin, just a day before a planned protest against the government. (AP Photo/Pavel Golovkin) (credit:ASSOCIATED PRESS)
APTOPIX Russia Opposition Leader Killed(24 of35)
Open Image ModalPeople light candles in memory of Boris Nemtsov, seen behind, at the monument of political prisoners \'Solovetsky Stone\' in central St.Petersburg, Russia, Saturday, Feb. 28, 2015. Nemtsov was gunned down Saturday near the Kremlin, just a day before a planned protest against the government. (AP Photo/Dmitry Lovetsky) (credit:ASSOCIATED PRESS)
Russia Opposition Leader Killed(25 of35)
Open Image ModalPeople react as they gather in memory of Boris Nemtsov near the monument of political prisoners \'Solovetsky Stone\' in central St.Petersburg, Russia, Saturday, Feb. 28, 2015. Nemtsov was gunned down Saturday near the Kremlin, just a day before a planned protest against the government. (AP Photo/Dmitry Lovetsky) (credit:ASSOCIATED PRESS)
Russia Opposition Leader Killed(26 of35)
Open Image ModalPeople light candles in memory of Boris Nemtsov at the monument of political prisoners \'Solovetsky Stone\' in central St.Petersburg, Russia, Saturday, Feb. 28, 2015. Nemtsov was gunned down Saturday near the Kremlin, just a day before a planned protest against the government. (AP Photo/Dmitry Lovetsky) (credit:ASSOCIATED PRESS)
Memorial for Russian Opposition Leader Boris Nemtsov in Kiev(27 of35)
Open Image ModalMOSCOW, RUSSIA - FEBRUARY 28: People place flowers and candles at the Independence Square, during a memorial for the Russian opposition leader Boris Nemtsov on February 28, 2015 in Kiev, Ukraine. Russian opposition leader Boris Nemtsov was shot dead in central Moscow, Russia late Friday. (Photo by Vladimir Shtanko/Anadolu Agency/Getty Images) (credit:Anadolu Agency via Getty Images)
Memorial for Russian Opposition Leader Boris Nemtsov in Kiev(28 of35)
Open Image ModalMOSCOW, RUSSIA - FEBRUARY 28: People place flowers and candles at the Independence Square, during a memorial for the Russian opposition leader Boris Nemtsov on February 28, 2015 in Kiev, Ukraine. Russian opposition leader Boris Nemtsov was shot dead in central Moscow, Russia late Friday. (Photo by Vladimir Shtanko/Anadolu Agency/Getty Images) (credit:Anadolu Agency via Getty Images)
Memorial for Russian Opposition Leader Boris Nemtsov in Kiev(29 of35)
Open Image ModalMOSCOW, RUSSIA - FEBRUARY 28: A man holds a banner as the people place flowers and candles at the Independence Square, during a memorial for the Russian opposition leader Boris Nemtsov on February 28, 2015 in Kiev, Ukraine. Russian opposition leader Boris Nemtsov was shot dead in central Moscow, Russia late Friday. (Photo by Vladimir Shtanko/Anadolu Agency/Getty Images) (credit:Anadolu Agency via Getty Images)
Memorial for Russian Opposition Leader Boris Nemtsov(30 of35)
Open Image ModalMOSCOW, RUSSIA - FEBRUARY 28: People place flowers and candles at a bridge, where Boris Nemtsov killed and next to Kremlin, all day long on February 28, 2015 in Moscow, Russia. Russian opposition leader Boris Nemtsov was shot dead in central Moscow late Friday. (Photo by Sefa Karacan/Anadolu Agency/Getty Images) (credit:Anadolu Agency via Getty Images)
Memorial for Russian Opposition Leader Boris Nemtsov(31 of35)
Open Image ModalMOSCOW, RUSSIA - FEBRUARY 28: People place flowers and candles at a bridge, where Boris Nemtsov killed and next to Kremlin, all day long on February 28, 2015 in Moscow, Russia. Russian opposition leader Boris Nemtsov was shot dead in central Moscow late Friday. (Photo by Sefa Karacan/Anadolu Agency/Getty Images) (credit:Anadolu Agency via Getty Images)
Memorial for Russian Opposition Leader Boris Nemtsov(32 of35)
Open Image ModalMOSCOW, RUSSIA - FEBRUARY 28: A woman holds a flower to place at a bridge, where Boris Nemtsov killed and next to Kremlin, all day long on February 28, 2015 in Moscow, Russia. Russian opposition leader Boris Nemtsov was shot dead in central Moscow late Friday. (Photo by Sefa Karacan/Anadolu Agency/Getty Images) (credit:Anadolu Agency via Getty Images)
Outspoken Russian Opposition Politician Boris Nemtsov Is Shot Dead In Moscow(33 of35)
Open Image ModalMOSCOW, RUSSIA - FEBRUARY 28: Russia\'s Deputy Minister of Economic Development Alexei Likhachev joins mourners as they gather to place tributes at the site where Russian opposition leader and former Deputy Prime Minister Boris Nemtsov was killed on Bolshoi Moskvoretsky bridge near St. Basil cathedral, February 28, 2015 in central Moscow, Russia. Nemtsov, a fierce critic of President Vladimir Putin, was shot dead in central Moscow ahead of a major opposition rally this weekend. (Photo by Sasha Mordovets/Getty Images) (credit:Sasha Mordovets via Getty Images)
Memorial Ceremony for Opposition Leader Boris Nemtsov(34 of35)
Open Image ModalSAINT-PETERSBURG, RUSSIA - FEBRUARY 28: Portrait of Boris Nemtsov with flowers and candles during memorial ceremony on February 28, 2015 in Saint-Petesrburg, Russia. Russian opposition leader was shot dead in central Moscow late Friday in Moscow. (Photo by Sergey Mihailicenko/Anadolu Agency/Getty Images) (credit:Anadolu Agency via Getty Images)
RUSSIA-POLITICS-MURDER-OPPOSITION-NEMTSOV(35 of35)
Open Image ModalPictures and flowers sit on February 28, 2015 at the spot, where Russian opposition leader Boris Nemtsov was shot dead, near Saint-Basil\'s Cathedral, in the center of Moscow. Nemtsov, a fierce critic of President Vladimir Putin, was gunned down while walking in sight of the Kremlin late on February 27, prompting an international chorus of condemnation. AFP PHOTO / ALEXANDER UTKIN (Photo credit should read ALEXANDER UTKIN/AFP/Getty Images) (credit:ALEXANDER UTKIN via Getty Images)