Before you assume this is senseless violence for the sake of violence, you should be aware of something about the Russian Mafiya from the perspective of two American undercover agents:
“They have no qualms about murdering people,” Z said.
“If they have to kill you, they kill you?” Keteyian asked.
“Absolutely,” Z said.
Mom, dad, brothers; it doesn’t matter. Someone like Tsar as an assassin, is a sweetheart in comparison. The types murders that the Russian mob is capable of, especially in smaller towns where the police has less funding and tends to be more corrupt, are absolutely mind-blowing.