In a remarkable advancement in forensic science, a full DNA profile was obtained linking 92-year-old Ryland Headley to the 1967 murder of Louisa Dunne. The evidence, consisting of Dunne's skirt and hair, had been in police storage for nearly six decades. Expert Andrew Parry, conducting the analysis, successfully identified sperm on the skirt's back section and hair samples from Dunne, establishing a genetic connection to Headley. As he stands trial for the charges, the findings exemplify how modern technologies can unravel cold cases.
Andrew Parry explained that the analysis of the skirt and hair from Louisa Dunne not only linked the evidence to Ryland Headley but also showcased advances in forensic methods.
The courtroom heard from Parry that they detected a weak indication of sperm on the front of the skirt, but the significant findings were from the material at the back.
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