The Zapruder film proves itself to be authentic. There is no possibility that any frames could have been cut out of the film or altered. Why/how? Every time a frame was exposed, part of the background scene was exposed onto both the next frame and the previous frame in the sprocket hole areas. This is because the sproket holes are between frames, as shown below: The head shot, frame-by-frame: Frame 312 Frame 313 Frame 313 enlarged: Frame 314 Frame 315 Frame 316 Frame 317 Frame 318 Frame 319 Frame 320 The head wound: The large flap of skull, skin and...