It's not stalking, because stalking would require over a certain period of time, and I wouldn't suspect it took this CNN reporter that long, although it being CNN eh!
The point is that is a burden that would have to be proven, and honestly if this guy can find you, wanna know a real scary secret, for the right amount of money and I am not talking about some verified website 14.95 shit.
I can pay a private investigator, a few hundred, and find just about anybody online if I wanted to, sure some would be less moral about it, but you can find people doing anything, simply put what you say is NOT safe online ever.