You'd think a science writer for Discovery could get something correct.
"Ötzi the Iceman, the world's oldest and best-preserved mummy, might have been murdered in a struggle for power, according to a new theory that identifies the 5,300-year-old mummy as the powerful leader of a Neolithic community."
Here's an article about 8,000 year old mummies in Florida...almost 100 of them.
Here's an article about 9,400 year old mummy Spirit Cave Man found in a cave in Nevada.
Spirit Cave Man
If you're referring to the theory, I think it's connected to archeologists' evidently innate drive to recreate more culture from less artifacts... ;-)