1. Identifies which research methodology the authors used. The research methodology that was used was a spray on reagents to locate blood spatter that’s too small to see. Because chemicals can contaminate evidence or give false positive‚ an infrared camera system that exposes microscopic traced of blood without using chemicals. It is use to target blood protein which remain long after visible blood which may have been wiped away‚ also filtering the background infrared to revel bold residue that can’t
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hemoglobin to hemin‚ and then the halides react with the hemin to form characteristic brownish-yellow rhomboid crystal BLOOD STAIN CLASSIFICATION AND ITS SUBTYPES 2 Bloodstain pattern analysis (BPA) is defined as the examination of the shapes‚ size‚ locations and distrib ution patterns of bloodstains‚ in order to provide an objective analysis of the physical events that gave rise to their origin by application of concepts of biology‚ biochemistry‚ physics and mathematics. Not only can these concepts
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The understanding of blood spatter patterns is not a widely recognized forensic practice. Bloodstain pattern interpretation (BPI) is commonly used in murder investigations‚ but could be utilized in everything from simple assault to mass murders if the number of trained professionals increased. BPI can reveal critical information into reinventing a given crime scene. Everything from the number of blows‚ stabs or shots a victim was given‚ the movement that was undergone by the victim and assailant
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Blood Stain Analysis On April 18‚ 2013 at 6:30pm‚ in ballroom 250 at the Student Union Building; I went to one amazing‚ interesting speech on Blood Stain Analysis. Paulette Sutton is from Memphis‚ Tn. She is one of the best forensic investigators‚ which is first called to observe a blood scene. As for her job is to go to a murder scene and investigate how a murder‚ homicide‚ or even a fight occurred according to how the blood splattered‚ or dripped. For someone who just investigated blood and
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Bloodstain pattern analysis is the interpretation of bloodstains at a crime scene in order to recreate the actions that caused the bloodshed. Blood spatter analysis can tell the distance from the source of the blood to the pattern‚ the direction from which the blood impacted‚ the speed the droplet was traveling‚ the location of the point of origin‚ and even the movement of a bleeding individual throughout the scene. There are three basic types of bloodstains. The first type of bloodstains are passive
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procedures‚ research‚ technology and training to capability. (1) The Scientific Working Group for Forensic Anthropology (SWGANTH) is defined as “the application of anthropological methods and theory - particularly those relating to the recovery and analysis of human remains - to resolve legal matters.” They work to develop best-practice guidelines and set up minimum standards for the Forensic Anthropology discipline and to distribute SWGANTH guidelines‚ studies‚ and other findings that may be useful
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Retrieved February 10‚ 2011 at 3:00pm during an interview in his office. Brown‚ J. (2010) Attorney at Law. Retrieved via phone on February 11‚ 2011 Brunet‚ J. (2008) Forensic Science of Bloodstain Pattern Analysis‚ Retrieved February 11‚ 2010 From: http://www.suite101.com/content/forensic-bloodstain-pattern-analysis-a167891 Davies‚ K. (2008). The Murder Book. Upper Saddle River‚ NJ: Pearson Education Inc Fielder‚ M Retrieved February 10‚ 2011 at 3:50 pm interview conducted at his office. Geberth
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Description of the career and the position you would like to obtain. CRIMINAL INVESTIGATOR Criminal investigators are the minds behind investigation. They can investigate a variety of crimes. It’s a difficult and demanding occupation that requires lots of patience‚ hard work‚ and determination. They also collect forensic evidence‚ such as fibers‚ hairs‚ weapons or tissue samples‚ to determine its significance in criminal investigation. Crime scene investigators are typically forensic scientists
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challenging because the hair doesn’t always link directly to a person. But it can give a better idea of the person you’re looking for by determining the race‚ hair color‚ etc. 3. Why do you think forensic scientists study bloodstain patterns? What can be learned from them? Blood patterns can be used to determine what direction the blood was traveling and the spot where it came from. 4. Out of the types of evidence
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Fingerprinting What is it? A fingerprint is an impression of the ridges on a person’s finger. By inking a person’s finger‚ these can be recorded on paper and compared with fingerprints left at the crime scene. Since no two fingerprints are the same‚ this is a valuable way of identifying a person. Fingerprints are formed in full detail before birth and remain unchanged throughout life unless they are affected by a deep seated injury. It was in 1860 that the use of fingerprints as a reliable means
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