that direction and newton's law of motion. >> seven men on a railroad rage said when the shots were fired they looked to the against and they saw puffs of smoke coming from here. >> you see a little puff of smoke or steam like cigarette smoke. >> no one found anything other than the one found from oswald's rifle has ever been found and linked to the assassination. >> there were two doctors and one priest who said bluntly that there were entrance wounds in the president's neck. >> if the wound in the president's throat was an entrance wound than clearly this would be prove that the wound came from the front.