There are human sites in SA that go back 300,000 years. These are just a bunch of newcomers.
When I get a few minutes, I plan to revisit a few of these related keywords:
https://freerepublic.com/tag/preclovis/index
https://freerepublic.com/tag/monteverde/index
https://freerepublic.com/tag/topper/index
Maybe older!
https://www.ancient-origins.net/sites/default/files/field/image/Acambaro-Figurines.jpg
The question some have asked is “If the Acambaro figurines are fake, who paid to have so many of them done in clay, and who paid the woodcutters for firewood to fire the clay?