Rod knew Shaun was new to the neighborhood and Shaun wanted friends. Rod knew that Shaun would try to make any new friend that he could. So Rod gained his trust and invited him over. Rod and Shaun played pool together and then when they went into the woods, Rod knew it was time to kill Shaun. Rod purposely walked behind him so Shaun wouldn't see anything coming. Shaun was defenseless, which made it even worse for Shaun's case. This relates to the NFL when a player on defense is going to sack the quarterback and the quarterback is blindsided. The quarterback can't get away when it happens just like Shaun couldn't get away from the bloodthirsty Rod