>> get down on your knees! >> but it misfires. >> and then that's when he turned and charged right at me. my first reaction was basically to get out of the way. >> mallory outweighs officer anderson by more than 100 pounds and wrestles him to the ground out of the camera's view. >> the first thing i realized when i ended up on my back was definitely this was not a very good place to be with this guy on top of me. >> and then as officer anderson lies helpless -- >> kind of crawled up my body, up to my face and that's when he bit part of my eyebrow off. >> wedged between the curb and his car and bleeding profusely, officer anderson is struggling to free himself. >> and i was doing the best i could to just remain conscious. everything around me was starting to get kind of dark. and that's when i heard another