If the genetic evidence supported the Tribe’s claim, the Bureau of Land Management would recognize it.

The Tribe agreed.

Samples were taken from the petrous bone — the dense bone of the inner ear, which is one of the best sites for ancient DNA recovery — of the Spirit Cave mummy’s skull.

The samples went to the laboratory.

The wait for the results was charged with the weight of two decades of legal deadlock, tribal advocacy, and scientific controversy.

How Ancient DNA Is Actually Read