Uh......yeah.....
Somebody chopped off the other fingers and toes for some reason. IMO
There have been bits and pieces that have occasionally been hoaxed.
And reputable DNA labs were initially reluctant to be named. Some still are.
However, custody of evidence; techniques of DNA gathering etc. etc. have all advanced and the results are proving to be at least interesting and more than a little conventionally inexplicable.
IIRC, the human component appears to be female from the Levant and about the time when Joshua was exterminating all the offspring of the Nephilium, the giants etc.
L.A. Marzulli's theory is that some of them escaped to Peru etc. etc. etc. and became like gods to the people there.
The timeline seems to fit. The DNA seems to fit. Yet there's tons more to be well researched.
Looks like plaster. How do they get anything done without a thumb?
Those yokels several thousand years ago figured out a prank that would give them some kicks for a looooong time. Muat have been because of the unusually long skulls that some had which gave them some room to think.