You may want to go to the facebook page for the whole quote, which is much clearer. Apparently, someone (possibly at the shelter, not this Vet) is trying to deny any pitbulls involved. The owner of the dogs still has not been identified in any newsmedia accounts I can find.
Original posting thread, with pictures of dogs which mauled Tracie Garcia to death:
https://www.freerepublic.com/focus/f-chat/3654825/posts
(will need to scroll down at link)