excerpt:

But months later, tribe members learned more about the research when a university investigation discovered two dozen published articles based on the blood samples that Dr. Markow had collected. One reported a high degree of inbreeding, a measure that can correspond with a higher susceptibility to disease.

Ms. Tilousi found that offensive….

Another article, suggesting that the tribe’s ancestors had crossed the frozen Bering Sea to arrive in North America, flew in the face of the tribe’s traditional stories that it had originated in the canyon and was assigned to be its guardian.

Listening to the investigators, Ms. Tilousi felt a surge of anger, she recalled. But in Supai, the initial reaction was more of hurt. Though some Havasupai knew already that their ancestors most likely came from Asia, “when people tell us, ‘No, this is not where you are from,’ and your own blood says so — it is confusing to us,” Rex Tilousi said. “It hurts the elders who have been telling these stories to our grandchildren.”

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