Boris Nemtsov was a Russian liberal politician. He occupied a number of important positions during presidency of Boris Yeltsin (1991-1999). Nemtsov was a critic of President Putin since 2000. He was killed in Moscow in 2015.
The probe into the killing of Russian opposition politician Boris Nemtsov has been completed and the suspected perpetrators of the hit will soon start preparing for trial, the Investigative Committee spokesman told the press.