In a horrific story, a Chimpanzee who was involved in show business attacked his owner's friend. The Chimpanzee is said to have ripped her face off and her hands. When the police showed up they did not know that the victim was female. The cops shot and killed the Chimp after it cornered one of the police in their car. You can hear the horrific 911 call made by the owner at http://www.nydailynews.com/news/2009/02/17/2009-02-17_911_tape_captures_chimpanzee_owners_horr-2.html.
Video embedded below.