Just like some of the illegal trespassers, the aliens are probably hiding in the massive homeless camps in San Francisco, Lost Angeless, Portland, etc.
It’s even more sinister than that.......https://external-content.duckduckgo.com/iu/?u=https%3A%2F%2Fi.pinimg.com%2Foriginals%2F4c%2Fe8%2F3e%2F4ce83e7542f3970958e75313d9d05a04.jpg&f=1&nofb=1&ipt=13d252a7428a7853dcbb013319be886422fe5ed177c1d274c769459ac5e98619