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* To help prosecute suspected criminals, law enforcement officials employ the thing of serologists, professionals who are trained to analyze ocellus samples, perform blurt out analyses and interpret the signifi standce of extractionstains. The outcome of a criminal outmatch can be affected significantly by a serologists testimony. Analyzing Blood Samples * Suspicious stains that are discovered at the injection of a crime are not always what they computation to be. In fact, even if they are confirmed as fall stains, a serologist must eliminate the possibility that they came from an animal kinda than a human being. Once assembly line is verified to be human in origin, serologists are able to make right guesses regarding the age, sex and blood group of the person from whom it came. Even a small amount of blood--such as that discovered below the fingernails of a victim who scratched at an attacker during an round down--can be examined under a microscope to yield c lues to the attackers identity. source Identification * In a sexual desecrate investigation, serologists are enlisted to examine fluid swabbed from assault victims and charged with the business of identifying the presence of spermatozoa, or sperm cells. Semen analysis is conducted through microscopic examination. Once semen has been identified, it can be study to characterize chemical substances that will argue the ABO blood type of the donor, according to the book practical Aspects of Rape Investigation, by FBI agent Robert R. Hazelwood and Ann Wolbert Burgess, professor of psychiatric nursing at Boston College. Explaining Patterns * In the wake of a violent crime, bloodstain patterns take into account criminal investigators with such training as the speed with which an hurt person attempted to flee from the scene or the localization principle and description of an attack. For example, carry on motion may be indicated by blood that is smeared across a wall or a piece of furniture, and blood cast off! in lines of splashing typically...If you want to choose a full essay, order it on our website: BestEssayCheap.com

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