[Flavius]

The story I have seen was that the atack occured at night, not sure how true that was.

From this:

To this:

[KittyKares]

I read that she had overdosed on barbituates and her dog was actually trying to wake her up. When she didn't respond, it kept chewing, I guess. She didn't want the dog to be destroyed because she felt it was trying to help her.

[BunnySlippers]

Well, the daughter said she argued with her mother. The mother (the facial receipient) then tried to kill herself with pills after she left. The mother bumbled through the house after taking pills and the dog tried to retrieve her (clawing off her lower face).