Dina Eidman, 87, the mother of murdered Russian opposition leader Boris Nemtsov, pays her respects near the coffin of Nemtsov during a farewell ceremony in Moscow on March 3, 2015. Russia vowed on March 2 to find the killers of outspoken opposition leader Boris Nemtsov as fresh details emerged about the most shocking political assassination during Vladimir Putin's rule. Nemtsov's body will lie in state on March 3 at the Andrei Sakharov rights centre in Moscow, followed by his burial at the city's Troekurovskoye cemetery. AFP PHOTO / OLGA MALTSEVA (Photo credit should read OLGA MALTSEVA/AFP/Getty Images)
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