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State lab testimony: analysts report DNA links between Pierre samples and Leonard Thompson
Summary
State and regional lab witnesses told jurors that DNA testing linked the defendant, Leonard Thompson, to several samples taken from the scene and from the victim, with mixed profiles showing varying degrees of statistical support.
DNA analysts testified that genetic testing on samples from the scene and the victim produced profiles that prosecutors say include the defendant.
Shanna Joseph, a forensic scientist with the Texas Department of Public Safety laboratory in Houston, testified that her unit received a case file and prepared evidentiary swabs and cuttings — including fingernail clippings and swabs from the couch and a kitchen lockbox — for DNA analysis. Joseph described the lab’s inventory and preparatory work and confirmed that a DPS lab case number (HOU231012916) was assigned to the evidence she prepared.
Michelle Turner, a DNA analyst at DPS who reviewed and interpreted the analytical results, told jurors the laboratory…
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