Crime scene report Introduction A suspected white powder was seized from the crime scene and sent to the laboratory for analysis. Presumptive test was firstly used in order to find out if it was a positive drug‚ in order to follow a further analysis. Gas Chromatogram (GC) and mass spectrum was used for further analysis‚ in order to find out what exactly was this drug‚ and find its mixtures and compounds. Results From the chromatogram/spectrum peak report it is shown that there are two retention
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bones‚ teeth‚ hair‚ and saliva. 2. Mitochondrial DNA is DNA that can be inherited from one’s mother and is found outside of the cell nucleus. 3. CODIS is a software program that contains the DNA profiles of convicted offenders‚ missing persons‚ crime scene evidence‚ and other sources. CODIS works by attempting to match the samples of DNA based on the thirteen different regions or loci within the nuclear DNA. 4. Complimentary base patterns are pairs that always pair up together. Complimentary base
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Crime scene investigation requires the handling all types of potentially hazardous material‚ from blood and other physical evidence collected at the scene to the chemicals and other materials used by technicians as they perform their jobs. Failure to follow established safety and health procedures regarding the handling and disposal of hazardous material exposes crime scene technicians and others to a variety of risks. Technicians collecting evidence at crime scene must handle a range of biological
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Make sure to edit the answer in your own words 1. The best choice of a technique when blood is found at a crime scene is analyzing the blood. In the genetics laboratory the person who contributes I would say is Alec Jeffreys as he is known as the father of genetic profiling. 2. Forensic Scientists examine tiny fingerprint details. These may be loops‚dots‚ forks‚ islands. Several comparison points must be perfectly matched for two fingerprints to be considered identical 3. Edward Foster studied
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when forensic scientists use chemicals to develop gunpowder residue patterns‚ usually around bullet holes. 5. When a bullet is retrieved‚ how is it marked for identification purposes? What should be avoided? When a bullet is retrieved it is marked with the investigators initials on the tip of the bullet. The sides of the bullet should be avoided. Also investigators must not cover and special marks or identifications of the bullet. Critical Thinking Questions 1. If you found a firearm at a crime scene
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one 1. I examined a arch fingerprint ( my index finger and my middle finger)‚ with those prints i seen ridge edging and arches. 2. I did not have a partner so i cant compare fingerprints. 3. Police officers‚ crime scene investigators and others in the justice system rely on forensic science techniques to ensure that the right people are punished for law violations and to keep people safe. Fingerprints are starting players in the criminal offense and defense lineup. They are so important to criminalistics
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At every crime scene it is important that the scene is protected. The purpose of protecting the crime scene is to prevent contamination of evidence. Protecting the scene also prevents individuals other then investigators and officer from enter the scene. If a crime scene was not protected the evidence could be contaminated or an individual could easily walk up to the scene and remove evidence. Police departments and sheriff offices should provide intensive training on how personnel should properly
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Crime Scene Investigator Do you ever wonder why people choose to work as a crime scene investigator also known as CSI? I am not sure why people choose to work in this field but‚ I do know why I decided on this career. This is my career of choice because the job itself is very interesting and inspiring to me. This strong passion that I have for figuring out crimes and causes of death will fit perfect for this job. My mother reminds me all the time that when I was a little girl‚ I always wanted
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Preserving the crime scene‚ 1 Preserving the crime scene Preserving the Crime Scene‚ 2 When a CSI arrives on scene‚ he doesn’t just start processing the scene. First he must stop and take a look around to see where he will be working. Understanding the environment will help make processing the scene way easier. After the crime scene technician has an understanding of the scene‚ he must find out what kind of crime took place there. Once the technician has a better understanding of the crime and the
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When it comes to investigating crime‚ no matter the level of severity‚ nothing is more valuable to a criminal investigator than the use and implementation of forensic science. The results of such forensic investigations can be the difference between acquittal and conviction in a court of law. The single best aid that forensic scientists use is DNA‚ which has proven to be a powerful tool in the fight against crime. DNA evidence can identify suspects‚ convict the guilty‚ and exonerate the innocent
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