Clearly this is all just a massive conspiracy by the media. Those poor little pit bulls would never hurt a fly. Ask anyone.
Well, you probably don't want to ask this guy:
Or this little girl:
Or this person (I think it used to be a woman):
This guy survived the attack, but I'm guessing he's not overly fond of pit bulls these days:
I put spoiler tags around the images. It just seemed like bad taste not to do so.