Review Questions 1. How are fire scenes different than regular crime scenes for investigators? 2. What is the blast effect? 3. What are the two types of high explosives? 4. What is a substrate control? Why is it done? 5. How is the evidence from a fire scene collected? What should be avoided? 1. Fire scenes will deteriorate at a faster pace than normal crime scenes and will have to be cleaned up for health reasons. Investigators have limited time to gather up as much evidence as possible. 2. The
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Abstract Physical evidence is what is collected after a crime has been committed. This evidence may be introduced into a trial. This would be the evidence that is collected that is from a non-living origin. There are many types of physical evidence that the investigators collect. This type of evidence can conceivably include all or part of any object. The evidence that is found at the scene of a crime is considered evidence. One type of evidence that is found is physical evidence. This type
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PHYSICAL EVIDENCE MANUAL OREGON STATE POLICE FORENSIC SERVICES DIVISION Preference The purpose of this handbook is to educate our customer in the Criminal Justice System regarding the services provided by the Oregon State Police Forensic Services Division‚ and the recommended methods of documenting‚ collecting and preserving physical to ensure the best analysis results. The value of properly collected physical evidence followed by examination and interpretation by the forensic laboratory
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Types of Physical Evidence Found at a Crime Scene-Part 1 1. Bodily Fluids- (Blood‚ semen‚ and saliva). All suspected blood‚ semen‚ or saliva-liquid or dried animal or human-present in a form to suggest in relation to the offense or the people involved in a crime. This includes blood or semen dried onto fabrics or other objects‚ as well as cigarette butts that contain saliva residue. These substances are subjected to serological and biochemical analysis to determine their identity and possible origin
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Crimes Against Property: Arson CJ105/Criminal Law Arson is one of society’s oldest known crimes and is classified as a property crime to law enforcement agencies. It can cost a life and/or a significant amount of money in damages. It is time consuming and difficult to investigate because the burden of proof that the fire was intentionally started is often hard to substantiate. In this essay‚ I will discuss the historical common law for arson and the current statue
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Please explain the Frye Standard. 1. The Frye Standard is a standard used to determine the admissibility of an expert’s scientific testimony. A court in which applies the Frye Standard must determine whether or not the method which the evidence was obtained was generally accepted by experts in the field in which it belongs. When did this standard come into effect and why? 2. The Frye Standard came out of a 1923 legal decision (Frye V United States). It was a case discussing the
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Cameran Highlands is accessible by road. Cameran Highlands is about a 3 hours drive either from KL or Penang Its strategic location makes it a favourite weekened escape for cityfolk/ city-dwellers from all over the coutry. It is a popular haunt for both local and foreign tourists to let their hair down. For those who are faint-heated the ride along the steep‚ narrow roads can be quite an unnerving experience as there are numerous hairpin bends along the route from Simpang Pulai. After about a
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What is Physical Evidence? Physical evidence is any object that can establish that a crime has been committed or can link a crime and its victim or perpetrator. Almost anything can be physical evidence‚ to list the objects that could be used as physical evidence is impossible. (Saferstein‚ R. 2009) Common Types of Physical Evidence There are several common types of physical evidence that are found at a crime scene and can be used in cases. However‚ the weight of a given piece of evidence is ultimately
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DNA testing on crime scene evidence is considered conclusive‚ but it wasn’t always that way. About 30 years ago‚ this tool was not considered accurate enough to make a difference in identifying or clearing a suspect. DNA profiling is a process of identifying a specific DNA pattern. The history dates back to the 1900s at the University of Leicester‚ and it’s used to solve many cases and identify the suspects of many different crimes. DNA profiling is also used to identify victims of disaster and
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Arson and Bombing Portfolio 1. Discuss the reasons arson is considered a low-priority crime. Because identification is a problem in most arson cases. In most arson cases all the evidence that the police need to identify the cause of the fire is destroyed in the fire‚ which leads to dead ends. If you have no information to pursue any kind of suspect on‚ equals a dead end for the police. 2. Discuss the relationship between fire and police departments and the insurance companies that represent victims
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