Laboratory witnesses described DNA results associated with a taillight sample and a hair.
What the record shows
The taillight-related mixture supported O'Keefe as a contributor. The mitochondrial result from the hair was consistent with his maternal lineage.
Limits and disputed context
Neither test dated deposition. Mitochondrial DNA does not uniquely distinguish one person from others in the same maternal line. The swab result was not a result from every recovered fragment.
S09: Laboratory DNA and mitochondrial-hair testimony
Laboratory witness testimony
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