Wildlife forensics is the application of science to legal cases involving wildlife. This field uses scientific procedures to investigate wildlife-related crimes involving the exotic pet trade, poaching, other illegal hunting activities, and even oil spills. A wildlife forensics specialist is a scientist who uses chemical techniques to investigate wildlife crimes. These scientists analyze animals, animal […]

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Vehicular accident reconstruction is the scientific process of investigating, analyzing, and drawing conclusions about the causes and events during a vehicle collision. After a motor vehicle accident occurs, particularly one resulting in severe injuries or death, it will usually be investigated and sometimes be reconstructed. There are two primary types of people that perform these duties, the […]

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Questioned document examination (QDE) is a forensic science discipline pertaining to documents that are potentially disputed in a court of law. The examination’s primary purpose is to provide evidence about suspicious or questioned documents using a variety of scientific principles and methods. Document examination might include alterations, obliterations, paper analysis, forgery, origin, determining authenticity, or […]

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A polygraph, popularly referred to as a lie detector, measures and records several physiological indices such as blood pressure, pulse, respiration, and skin conductivity while the subject is asked and answers a series of questions. The belief underpinning the use of the polygraph is that deceptive answers will produce physiological responses that can be differentiated from those associated with non-deceptive answers; the polygraph […]

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At a crime scene, there are often tiny fragments of physical evidence such as hairs, fibers from clothing or carpeting, or pieces of glass that can help tell the story of what happened. These are referred to as trace evidence, and can be transferred when two objects touch or when small particles are disbursed by […]

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Network forensics refers to investigations that obtain and analyze information about a network or network events. It is a specialized category within the more general field of digital forensics, which applies to all kinds of IT data investigations. Typically, network forensics refers to the specific network analysis that follows security attacks or other types of […]

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A person is able to lie by using his imagination. In the Narco Analysis Test, the subject’s imagination is neutralised by making him semi-conscious. In this state, it becomes difficult for him to lie and his answers would be restricted to facts he is already aware of. Experts inject the subject with Sodium Pentothal or […]

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Handwriting is so unique that it can be analyzed. This is because all children learn to print or write cursive by copying the same models of letters, but each child copies just a little bit differently. Over time and with use, those differences become more pronounced. By the time we are teenagers, our ability to […]

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Graphology is the study of handwriting in order to analyze a person’s character. Real handwriting experts are known as forensic document examiners not graphologists. Graphology first came into being around about 3,000 years ago by the Chinese. The Romans also used graphology. Things that are considered when studying hand writing is the letter spacing, slants […]

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Toxicology is the scientific study of adverse effects that occur in living organisms due to chemicals. It involves observing and reporting symptoms, mechanisms, detection and treatments of toxic substances, in particular relation to the poisoning of humans. It includes environmental agents and chemical compounds found in nature, as well as pharmaceutical compounds that are synthesized […]

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