Forensic Science: A Very Short Introduction (Very Short by Jim Fraser PDF

By Jim Fraser

Because of its connections to violent crime and inventive detective paintings, forensic technological know-how is a topic of never-ending fascination to most people. A felony case can usually hinge on a section of proof corresponding to a hair, a blood hint, a bit saliva on a cigarette butt, or the telltale mark of a tire tread. excessive profile circumstances have stoked this curiosity lately and a few of the most well-liked exhibits on television--such as CSI: Crime Scene research and its raft of spin-offs--attest to the iconic acclaim for forensic technology as a sort of grisly leisure. This Very brief creation appears to be like on the nature of forensic technology, analyzing what forensic technological know-how is, the way it is utilized in the research of crime, how crime scenes are controlled, how forensic scientists paintings, the various recommendations used to get better proof, and the diversity of tools to be had for research. It additionally considers how forensic technology serves the legal justice process and the demanding situations of speaking advanced clinical proof in a courtroom of law.

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This no-nonsense consultant is an admirable substitute to the CSI technology fiction juggernaught. Jim Fraser discusses professional facts, DNA, fingerprints and affirmation bias, declaring the Birmingham 6 and Sir Roy Meadow, notwithstanding no longer Shirley McKie's shameful persecution at the foundation of supposedly infallible fingerprint facts. attention-grabbing. William Darragh, Fortean occasions juggernaut...Fascinating.

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32 Chapter 4 Laboratory examination: search, recovery, and analysis We now move from the crime scene to the laboratory and the various stages of recovering, documenting, and analysing evidence. Some of the principles and processes will now be familiar to us as they reflect those applied at crime scenes. The new dimension is the specific application of scientific testing of case items and the range of scientific disciplines involved. In this chapter, we will cover the types of examinations carried out in particular case types and the specific scientific and legal procedures required to meet the standards of criminal law.

One mark is transient and will persist only for a few hours, the other is a permanent feature of the location. It is not the shoe mark in isolation that determines the significance of the evidence, but the mark together with the surrounding context. 2. Shoe mark in sand 15 Investigating crime We have considered the nature of crime and the processes involved in its investigation. The answers to questions raised by an investigation can often be provided by forensic science, and we have made initial linkages between certain questions and types of forensic evidence.

Much of this work is done at scenes, but there may be follow-up analysis required. Examination of tachographs and damaged vehicle parts, calculation of speeds and trajectories of vehicles to reconstruct crashes. ). Probably the most rapidly expanding area of forensic science. Digital devices are now so widespread that they are involved in many different investigations. Photography and imaging Routine record photography and analysis of imaging devices such as media from CCTV and still cameras. Extensively used in a wide range of investigations, for example to identify individuals at or near crime scenes and for presentation of evidence in court.

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