While out one night, Kenneth and his friend Daruth begin to argue over money that Kenneth believes Daruth owes him. Daruth insists that he already paid it. Kenneth disagrees and becomes visibly upset as he needs the money to help his family cover some significant debt. Later, as Daruth leaves the restaurant, Kenneth comes out of the shadows and shoots Daruth, killing him. Of what kind of crime is this an example? A. nonprimary homicide B. expressive crime OC. instrumental crime D. mass murder