Chrissie‘s autopsy is the scene in which Matt Hooper examines the remains of Chrissie Watkins. The scene shows Hooper look at the remains and determine how poor Chrissie died on that beach that fateful evening. Hooper determines that it was a shark that killed poor Chrissie Watkins. This scene is essential to the movie because Hooper knows that the mouth is too small enough on the tiger shark caught in the film. Edit