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Trumbo, W. Y. K. (2011). Scientific Approaches in Bloodstain Analysis…
Trumbo, W. Y. K. (2011). Scientific Approaches in Bloodstain Analysis (Crime Scene Investigation). (Masters Thesis). Retrieved from https://www.academia.edu/3751908/Scientific_Approaches_to_Bloodstain_Analysis.
Chapter 1
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Background
Around 40 people have been exonerated in Texas alone because of faulty bloodstain pattern analysis at the time of their conviction
Coming under scrutiny because of bloodstain pattern analysts who presented fraudulent findings in court
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Chapter 2
Biology of Blood
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Made of:
Plasma: aqueous solution, mostly water
Red blood cells: have hemoglobin to transport oxygen, have antigens that determine blood type
White blood cells: function in the immune system, only blood cells with nuclei (DNA)
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Forensic Serology
Study blood and other body fluids found at crime scene to determine information about them that can be used as evidence
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Chapter 3
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Scenario 1
Goes through an example of calculating angle of impact, point of convergence, and therefore area of origin
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Chapter 5
Conclusion
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Good photographs of the patterns can help determine what was responsible for causing the patterns (free-falling drops vs a mist from a gunshot wound)
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Discussions
Properly documenting, collecting, and preserving blood evidence is important for using in cases years down the line
Document measurements, location, color, and surface of bloodstain
Appropriate photography is very important- overall, midrange, and close up photos
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