If they did land in San Diego during Comic Con, maybe that wasn't an accident. If the did their research first, it would be one of the best places to go and go unnoticed.
But we take animals out of their natural habitat and stick things up their orifices, sometimes we implant things or tag them and then let them go again.
I think what we're really afraid of is that there's a more intelligent species out there and they'll treat us the same way we treat the les intelligent species here.
I think what we're really afraid of is that there's a more intelligent species out there and they'll treat us the same way we treat the les intelligent species here.