Shortly before his death , Boris Nemtsov was reportedly contacted by a group of " paratroopers from Ivanovo " who complained about significant losses in their unit during a battle in Ukraine and the lack of the promised payment . Nemtsov was preparing a larger report documenting cases of Russian soldiers taking part in the war in Donbass , which is considered a possible reason for his assassination
his death
Assassination of Boris Nemtsov
Russian military intervention in Ukraine (2014–present)