Identifying And Collecting Physical Evidence
Identifying and Collecting Physical Evidence
There are many differents things involved in the identification and collection evidence. In order to do these things you have to know what things like what physical evidence is, what impressions are, different types of evidence you could find and how to use it and knowing what forensic science is and the different types is important too. Also you need to know the proper labelling technique. In order to prosecute someone you have to be able to prove they were at the scene of the crime when the offence was commited. The collection, analysis and preservation of physical evidence is crucial part of police work. Physical Evidence can be defined as any object, impression, or body element that can be used to prove or disprove facts that relate to the offence. This type of evidence is very important because it often has a greater impact in court than evidence that is obtained through a witness’s statement. The different ways used to examine the evidence is called forensic science. Forensic science is the application of biochemical and other scientific techniques, also the study of physical evidence . There are many subfields of Forensic Science including Forensic Anthropology, Forensic Biology, Forensic Chemistry, Forensic Computer Science, Forensic Psychology, etc. Forensic scientists do not collect evidence, interrogate suspects, or make arrests. Their job is to examine and analyze the physical evidence collected at a crime scene. The scientists spend most of their time working in a laboratory but also spend a fair amount of time giving expert testimonies and inquests. The most well known type of forensic scientist is the medical doctor who performs the autopsies. They are the ones who determine the time and cause of death. Others specialize in things like firearms where they are able to analyze bullet fragments or gunshot residue to
There are many differents things involved in the identification and collection evidence. In order to do these things you have to know what things like what physical evidence is, what impressions are, different types of evidence you could find and how to use it and knowing what forensic science is and the different types is important too. Also you need to know the proper labelling technique. In order to prosecute someone you have to be able to prove they were at the scene of the crime when the offence was commited. The collection, analysis and preservation of physical evidence is crucial part of police work. Physical Evidence can be defined as any object, impression, or body element that can be used to prove or disprove facts that relate to the offence. This type of evidence is very important because it often has a greater impact in court than evidence that is obtained through a witness’s statement. The different ways used to examine the evidence is called forensic science. Forensic science is the application of biochemical and other scientific techniques, also the study of physical evidence . There are many subfields of Forensic Science including Forensic Anthropology, Forensic Biology, Forensic Chemistry, Forensic Computer Science, Forensic Psychology, etc. Forensic scientists do not collect evidence, interrogate suspects, or make arrests. Their job is to examine and analyze the physical evidence collected at a crime scene. The scientists spend most of their time working in a laboratory but also spend a fair amount of time giving expert testimonies and inquests. The most well known type of forensic scientist is the medical doctor who performs the autopsies. They are the ones who determine the time and cause of death. Others specialize in things like firearms where they are able to analyze bullet fragments or gunshot residue to
Cited: Blair/Costiniuk/O 'Malley/Wasserman, First. Law in Action. Toronto, Ontario: Pearson Education Canada Inc., 2003. 195-200. "William 's Murder Victims Pleaded for Their Lives." CBC.ca. N.p., n.d. Web. 13 May 2012. .