Second time this dog has bit a child.
"In the past they were used especially as a fighting dog." Same kind of dog that killed Diane Whipple.
"Breeders warn that Presa Canarios should not be wrestled with nor allowed to play tug-of-war games in which they grab rags and shake their heads vigorously. Such activities, in the words of breeder Tracy Hennings, can "build up the dog's bite drive."