Physical and Biological evidence

brava

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12 years ago

Why is it important to reevaluate all physical and biological evidence in both cold case murder investigations and sex-related crimes?

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bio_man

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Educator

11 years ago

When reevaluating physical and biological evidence in these cases, investigators noted the evolution of DNA technology in the last five years. The cold case squad quickly learned that DNA testing used as recently as the early 2000s to test evidence was sometimes insufficient. With new and more refined methods of testing DNA, many of the reactivated cases have relinquished previously unfound evidence.

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