Article continues below advertisementPolice rushed to a desert region 15 miles from Nancy Guthrie's Tucson, Ariz., home after a streamer reported uncovering human remains. The human bones discovered at the site by A.J. Double U News do not belong to the missing 84-year-old, a news outlet confirmed on Thursday, May 7. "The bones found near Craycroft and River were determined to be human," the Tucson Police Department shared in a statement. "This will be a prehistoric anthropological investigation. This is not a criminal investigation.