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Substrate controls should also be collected

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Unformatted text preview: trols should also be collected. Preservation of Blood Evidence Whole-blood specimen should be treated with an anticoagulant EDTA. The blood should be refrigerated. Infection and contamination control procedures should be followed closely. Recognition of Bloodstain Patterns Bloodstain pattern analysis assists investigators in better understanding what took place at a specific crime scene. It can assist with: Corroboration of statements Apprehension of a suspect Reconstruction of past events Exoneration of the accused Chapter 12 6 History of Bloodstain Pattern Interpretation Herbert Leon McDonell, prominent bloodstain pattern analyst, completed literature search and extensive collection included references dating back to 1514 Dr. Eduard Piotrowski, published a book...
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