Below is a video segment from a 1967 CBS documentary which examines whether Lee Harvey Oswald, the alleged assassin of President John F. Kennedy could have fired 3 shots with his bolt action rifle in less than 6 secs and hit a moving target.
[ame=http://www.youtube.com/watch?v=HsOEJF6qoy4&feature=related]YouTube - CBS News Inquiry June 25 1967 Part 5[/ame]
Below is a segment of an animation created by Dale Myers based on the famous Zapruder film showing what Oswald would have seen through his rifle scope.
[ame=http://www.youtube.com/watch?v=dbbIjki-HLo&feature=related]YouTube - Kennedy assassination shooting sequence[/ame]
Below is a drawing showing how President Kennedy and Governor Connally were struck by a single bullet.
This diagram shows how Kennedy was struck by a final fatal shot to the head.