The Louisville Medical Examiner's Office identified the remains through DNA evidence, according to the release.
The mother of two was last seen at a south-side Indianapolis truck stop on July 11, 2007.
Police found blood-soaked clothing, a cell phone and an ATM card belonging to Purpura in Mendenhall's truck, according to court documents.
DNA tests on that blood showed Purpura's parents were almost certainly the parents of the person whose blood was found.
One thing that could be important in this case: the individual could have been caucasian looking even if she had Native American ancestry.
It's possible that an examination of her bones might reveal that she was Native American or part Native American but she could still look like another ethnicity. For example, I have shovel shaped incisors and my father is in fact 87.5% aboriginal. My mother however is caucasian and my skin is white.
If my bones were found police would probably designate me as Native American, in a way correctly. However in this hypothetical scenario if you started looking for red-skinned people who went missing in the area you would not be looking at my Doe-network picture because I look as caucasian as a native scotsmen.
I think this has to do with phenotype and genotype. My Native American genes are visually represented in my incisors but not in my skin color.
There's no way to conclude that we should be looking for someone who looks like a typical Native American woman based on her bones.
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