How fast does a bullet have to be to kill a person assuming the gun is a Glock G45

On autopsy, the patient was a 68.5 inches (1.74 meters [m]) tall male weighing 174 pounds (lbs) (78.9 kilograms [kg]) with a penetrating gunshot wound of the midline chest, 0.19 inch (4.76 millimeters [mm]) in diameter and located 18.25 inches (46.4 centimeters [cm]) from the top of his head. Black cutaneous discoloration surrounded the wound and did

i think it's either 'to expose the corruption of the communists in russia', or 'to criticize animal brutality by communists in russia.'  

hope this ! : )

the answer to "what does the narrator realize by the end of the story" is b.