Witness of Russian politician's murder not allowed to leave Moscow for safety concerns

Anna Duritskaya, who was with Russian politician Boris Nemtsov when he was killed overnight to February 28, said investigators do not let her leave Moscow for security reasons.
"Investigators say that it is not safe for me to leave Moscow," Duritskaya told the Dozhd TV channel on Monday. She really wants to return home and be with her mother, "who is very sick and severely stressed," Duritskaya said.
She also said she rules out jealousy was the motive of the prominent politician's murder.
Opposition politician Boris Nemtsov shot dead in Moscow
Russian opposition and state figure Boris Nemtsov was shot dead in downtown Moscow overnight to February 28 with four shots from a handgun.
According to preliminary data, an unknown assailant made a few shots at Nemtsov when the latter was walking along the Bolshoy Moskvoretsky Bridge.