>Why wasn't this mentioned in the Bible? After the Cain and Abel story, doesn't Cain go off and settle in some other city? If those people don't present a prob

>Why wasn't this mentioned in the Bible? After the Cain and Abel story, doesn't Cain go off and settle in some other city? If those people don't present a problem in explaining origins, why would extraterrestrials? They would be completely un-un-precedented.