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Process Essay: Behind The Chemistry Of Forensics

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Valeria garza
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Teacher: mr. vanni
Date: may/13th/2016 Behind The chemistry of forensics Forensics means to work in investigating a scene of a crime to study how a deceased person died ,or how they were murdered or to see if it was a homicide, suicide, manslaughter or , so they can find traces for leads on who or what committed a crime. Any little detail can have traces of blood ,or even fingerprints if any evidence is found, it would be sent to a lab to be tested on to find results of what clues they find to try and find a lead. There are tools ,and chemicals that are used in a lab to help them find leads in an investigation. They also have Chem labs to identify drugs or other substances. The main job for …show more content…
The police may have a lead on who might of murdered someone if they can find out who own the unknown weapon. forensic scientist would examine the suspect's hands ,and clothes with special infrared lights to look for gunpowder residue. If a residue was found the scientist would take samples of it and analyze the chemical structure to determine what type of bullet it came from and how the bullet fits the entry hole and the exit hole from the carcass . They would have to compare the gunpowder residue found on the suspect to that in the bullet which was shot in to the victim. If the chemical structures matched then the suspect would be arrested, or if the structures did not match the suspect would probably be released. If there was no gunpowder residue on the suspect's body or clothes the forensic scientists would still analyze the bullet that was shot at the victim to determine how long ago it was fired and what type of bullet it was. This would give them a better understanding of what type of gun the bullet was fired from and how long ago it was fired. In this case, the forensic scientist is also using analytical

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