After Dian Fossey's favorite gorilla was slaughtered and her health began to fail, Sir David Attenborough traveled to Rwanda to film the gorillas. The result was one of television's most treasured experiences with animals in the wild. However, due to battles with the Rwandan government, Fossey was forced to return to the United States. During this period Fossey wrote "Gorillas in the Mist" and became a global celebrity.