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Forensic Science.

How does forensic science help in criminal investigation.

Jake Nead

on 4 March 2011

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Transcript of Forensic Science.

DeoxyriboNucleic Acid different for everybody found in all cells DNA stored Skin, saliva, etc.
left behind can hold DNA skin cells hair fibers Reconstruction Method Compared to suspect's sample. DNA seqence bar-code Identifying Prints ridges on fingertips leave marks consists of: oils
sweat latent prints- any fingerprints found at a crime scene arch print whorl print composite print Four types: loop print fine dust is spread to make them visible computer plots
points print is compared to everyone in data base footprints help tell
physical appearance distance tells height and speed -how deep tells weight -angle tells direction plaster casts record prints mixed with enzymes then... placed in jelly substance and
shocked Compared with the suspect's DNA sequence Bar code plaster casts
record prints tire tracks are examined tires car Forensic pathologists
study the crime scene and body Forensic anthropologists study only the deceased Entomologists study the variety
of bugs on the body. eggs maggots pupae flies Examining Teeth Teeth last the longest on a body Forensic Odontologists or dentists study teeth -match teeth to bite marks -x-rays taken can be matched to dental records -condition and kinds of teeth tell age Autopsies Forensic Science By: Jacob Nead
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