: The stationary walls were modified to be "breakaway" style, meaning they would collapse outward if a person or object was caught, preventing a crush.

Based on public records and historical summaries from sources like Wikipedia and Mouse Planet :

Publicly available summaries of the coroner's findings state that Stone's death was a result of .

: Guests in the theater heard screams but initially believed they were part of the show's sound effects. An audience member eventually realized something was wrong and alerted park staff, who found her body when the rotation cycle ended at 11:00 p.m.. Aftermath and Changes