Yes, I know shes a hack. But to a degree in this case, the media attention actually helped find the body. One could argue, if she wasn't attractive white girl from the suburbs there wouldn't be as much attention. People are more drawn into the story here, because its perceived to not be something that would typically happen to a person like her as opposed to a minority.
But again as
@Rational Poster put it, there has to be a appetite there to begin with. So how much can your really blame media corporations here