Because His Mind Boiled Out in a Sweat. Because His Murderer Friend Just Got Shot. Because the Great White Stepfather Stole All Their Land and Fed Them Bad Meat. Because the Game Warden Wouldn’t Let Him Get His Own Meat. Because His Father Reported Him for Stealing a Rifle. Because the Rifle Was Haunted by War. Because because because. He did it for all those reasons and whatever else the newspapers can dream up.