What an 8 year at home is thinking this is ok! It's awesome that you allow your kids to play violent video games that shows gore. Then he openly tells his brother, me and his father that he wants to kill somebody in real life.
This is an image of a marine soldier in the Call of Duty video game. This is a Black and White image and has been edited to give it a dramatic feel. There is a layer of dust and exploding rubble surrounding the soldier who is holding assault rifle.