and depressions forming a characteristic pattern called lips prints. The approach is very similar to fingerprint analysis. The pattern of a lip pattern is unique to every person. Lip prints can be found on any surface that come in contact with the lips‚ for example‚ eating utensils‚ glasses‚ and cigarettes. There are many techniques to make lip prints visible as if you were making a latent fingerprint visible. There are two different ways to make lip prints visible. One way is to simply apply lipstick
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of science to both criminal and civil laws. Those who work in this field are called forensic scientists. Forensic scientists collect‚ preserve‚ and analyze scientific evidence during the course of an investigation. Some forensic scientists travel to collect physical evidence while others work in laboratories to analyze the evidence. There are ten different forensic units and departments that have different purposes and different roles. These units and departments include: The Criminalistics Unit
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13 Evidence that is loose and lying on the ground should be bagged up and catalogued each piece of evidence is given an individual identification number so that it can be cross-matched against corresponding investigative reports. The evidence is bagged in clear plastic bags‚ which are sealed airtight so that no contamination can take place. Each of these bags is accompanied by a “custody chain” document; this document is to be filled out by any officer who wishes to use or view the evidence. This
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years later; the first official forensic science lab was opened in Los Angeles in 1929. Crime scene investigators use forensic science to solve murders‚ trace chemicals in the victims‚ and also be able to identify the true identity of a victim. The evidence from a crime scene is picked up and taken back to a laboratory to be fully analyzed and
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the first four modules of the course. 1. Explain why it is that evidence gained through the forensic science process is almost always considered to be circumstantial evidence. The most important fact that makes forensic evidence circumstantial is because science cannot be clearly defined by law. The legal system have created standards and written legal rules regarding the admissibility of forensic evidence. When forensic evidence that is presented in court is rarely unaccompanied by an expert
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Module Three: Text Questions Review Questions 1. What are the four types of evidence in a criminal investigation? Physical evidence‚ documentary evidence‚ demonstrative evidence‚ and a testimony. 2. What are individual characteristics? Give an example of an individual characteristic? Individual characteristics are pieces of evidence with characteristics that can be traced back to an individual item or person‚ such as fingerprint patterns‚ blood samples‚ firearm markings‚ or markings on a fired cartridge
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be labeled as another crime scene (Forensic Science Implied‚ 2015). Investigators should establish an area that is sizeable enough to likely contain all relevant physical evidence that may be present. It is easier for investigators to condense the size of a scene at a later point than to discover that sensitive evidence outside the scene has been damaged or destroyed by other responders‚ media or onlookers. In addition‚ potential paths of perpetrator entry/exit are identified. Safety is of paramount
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Start: Fingerprints have been used for identifing people for over 100 years.There are also different kinds of them too like whorls‚loops‚archs‚and tented archs.There are a lot of ways to find them and get rid of them too. Fingerprints have been used for a long time and they are used because they help the Police Department catch the criminals. The Green river killer This is one of the killers that DNA helped to catch. However‚ although they collected DNA samples from Ridgway in 1987‚ the technology
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the past‚ present and the future of forensic technicians. The Forensic Science start date has never really been determined because every one has speculations that it started in the 7th century. There were prehistoric carvings showing the use of fingerprints. Speculations carried that it also started in china in the 6th century. Fingerprinting became very
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apartment.” I tell the detective‚ “Thanks for your help‚ is there any-way that you could have contaminate the crime scene‚ while securing the scene?” Then Detective Henry tells me‚ “I been doing this a while so I’m good at not destroying the crime scene evidence. I didn’t touch a thing‚ however‚ my foot prints maybe throughout the house because I had to act as if the suspect was still at the scene.” Observing the Scene: My team (Ferrell‚ Carey) and we dressed in the proper attire with latex gloves‚ booties
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