Boys and their guns.

This is what happens when you go to war with your older brothers and their friends. Can you see the red mark on his neck?
Right in the corner of his eye?

and the back of his neck?

He tried to ambush them from the roof of the house but his gun wasn't as powerful as theirs and he had no where to hide.

so he patiently waited for Kaige to come home from basketball practice so he could shoot at him

Misson accomplished. Poor Kaige.