Authorities say a hunter found a human skull on Sunday, in a desert area near Manville and Sandario roads.
Pima County Sheriff's Deputy Monica Torralba tells Tucson News Now, the skull has been taken to the Pima County Medical Examiner for further investigation.
Torralba says the skull has a full set of teeth, and there are no signs of trauma.
Torralba adds that there is no evidence to support a connection to any other case at this time.
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