The Ammunition
Let's assume that Ralph Thomas's rifle was the firearm used to murder Mary and Greg. There are some challenges to making a compelling argument that someone other than Ralph Thomas killed Mary Gioia and Greg Kniffin. It seems that the “Bo Did It” theory might need to demonstrate how following claims are true. Someone stole the rifle from Ralph Thomas's vehicle. It's quite plausible that someone stole the rifle from Thomas's vehicle. Those in the Village who didn't already know he owned a firearm could have been alerted to this fact when International took a shot at Harry Shorman's Canadian flag. During the time that Thomas accompanied Mary and the rest to go get beer and burritos, someone could have taken the rifle from the car without waking Tracy Scarborough, who was sleeping in the front seat of the blue Opel station wagon. A broken window on the driver's side could have given them easy access. Someone only stole some of the ammunition Thomas ke...