Well, all the victims of this particular vampire were young Asian guys who dealt with animals. Though, the lore usually goes they attack pretty young girls. At least, the straight male ones do. But vampires don't actually exist in my dreams maybe.
Your dreams are pretty nuts, you know. But that might not be so farfetched. I guess she'd been going around the whole country committing these murders for a while before she landed in LA, so maybe they were trying to warn people.