On 27 February 2015, she survived, as sole eyewitness to the assassination of Boris Nemtsov.  Duritskaya had been in a relationship for over two years with Boris Nemtsov, a leading opposition figure to Vladimir Putin, and Russian military intervention in Ukraine. She was held under house arrest by Russian police following the murder. The Foreign Ministry of Ukraine, stated that it had intervened to secure her release and return from Moscow.  Pro-Putin Russian news agencies had claimed, that she was forced by Nemtsov to have an abortion in Switzerland, in an attempt to implicate her and the SBU, in Nemtsov's murder.
On returning to Kiev, Ukraine she went into hiding, under protection of armed guards,  assigned to her by the Prosecutor General of Ukraine, after she had received death threats. Pro-Putin news agencies leaked provocative photos of Duritskaya, in an attempt to discredit her, following which she refused to return to Russia to testify in the trial.
In December 2018, The Guardian, republished Duritskaya's TV Rain interview from the time of her release, in a call to rename the street of the Russian Embassy in London, in memorial to Boris Nemtsov, following Washington D.C. which had done so, under the "D.C. Law 22-92 Boris Nemtsov Plaza Designation Act of 2018," that was passed unanimously on an "emergency basis."
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