Dude, what the fuck!?

I'm a proponent of the whole "video games don't kill people, people kill people" way of thought but this is crazy. Apparently a 17 year old in Ohio shot his parents, killing his mother and wounding his father because they didn't want him to play Halo 3 and they hid it from him. The father was a pastor and figured the game was too violent for his son. Apparently the kid came into the room claiming he had a surprise for his parents when he shot them both in the head as an... act of revenge I guess? Here's the story on a Northern Ohio news site. I'm just not sure what to say...