They've only been on this Earth for 20 years. They incubated for 50 and more or less hatched in 1997 as eight year olds and assimilated into this world as best they could.
You're the second person to ask me how they've hidden things so well and I don't know yet. I hadn't gotten that far into asking Max those kinds of questions.
I'm not surprised. It's a huge government cover up, that's not something you can just tell your family at the dinner table while you're passing the salt.