Ignoring the potential irony of the plot... how can you kill someone with a prop gun? I'm assuming a prop gun is fake and simply fires blanks or potentially something which makes the muzzle flash, but perhaps I'm wrong. Anyone with more knowledge of film prop firearms care to enlighten me? Also, how did he shoot the directors? I suppose if he's aiming towards camera it is understandable the aim would be towards them, but surely they wouldn't be that close to the discharge. If the prop gun is legitimate, then would there be potential for related charges of accidental death due to negligence?