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forensic science |
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forensic scienceUse of scientific techniques to solve criminal cases. A multidisciplinary field embracing chemistry, physics, botany, zoology, and medicine, forensic science includes the identification of human bodies or traces. Ballistics (the study of projectiles, such as bullets), another traditional forensic field, makes use of such tools as the comparison microscope and the electron microscope. Traditional methods such as fingerprinting are still used, assisted by computers; in addition, blood analysis, forensic dentistry, voice and speech spectrograms, and genetic fingerprinting are increasingly applied. Chemicals, such as poisons and drugs, are analysed by chromatography. ESDA (electrostatic document analysis) is a technique used for revealing indentations on paper, which helps determine if documents have been tampered with. Forensic entomology is also a branch of forensic science.
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The first collection demonstrates how chemistry and dentistry enter real-life investigations, such as how a forensic dentist uncovered the crucial piece of evidence that sealed the case against convicted serial killer Ted Bundy. The first conviction was reversed because the prosecution had withheld exculpatory evidence--its first forensic dentist had found no match--and had not provided the video to the defense before trial. Suspecting that it might be a bite mark, he requested that a forensic dentist examine the wound. |
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