🔎Biological evidence is a type of Physical Evidence which contains DNA. Biological evidence are very useful to connect offender to a crime scene. Sometimes these evidence can be hard to find by naked eyes. DNA can be found on many things or objects.
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There are several challenges to select and collect samples for antemortem and postmortem analysis. The relevance of any finding is primarily determined by the type and quality of the sample submitted to the laboratory that’s why numerous pre-analytical aspects should be considered during collection in order to have samples with sufficient quality and quantity.
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