Question: Did the sniper actually have a laser? One of the "correctors" states that he doesn't and it's actually just for effect.
Question: In a real life scenario, could the witnesses face any charges for giving false information?
Question: How did the caller escape the room where his rifle was found?
Question: Wouldn't the police have eventually known that Stu didn't shoot and kill Leon after their investigation? Surely the caller would have known that too? If so, why would the caller even frame Stu in the first place? Surely he wasn't going to let the police take Stu away for murder, since he intends to teach him a lesson.