Criminal Investigation: The Art and the Science (6th by Michael D. Lyman

By Michael D. Lyman

Criminal research: The paintings and the technology, 6th Edition, offers crime detection as a dynamic box depending seriously at the previous studies of investigators in addition to contemporary functional and technological strategies. It explores the numerous exterior variables that may effect the investigator's luck and the explicit tools of crime detection and prosecution of legislations on hand this day. The textual content focuses on the steps and concerns saw in a precise felony research. each one bankruptcy starts off with fresh tales of genuine crimes which are investigated by means of the police and set the degree for the remainder of the bankruptcy.

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Extra resources for Criminal Investigation: The Art and the Science (6th Edition)

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4 Computers use artificial intelligence to make inferences based on available information and to draw conclusions or make recommendations to the systems operators. Expert systems, as these computer models are often called, depend on three components: 1. The user interface or terminal 2. A knowledge base containing information already known in the area of investigation 3. A computer program, known as an inference engine, that compares user input and stores information according to established decision-making rules Numerous expert systems exist today.

Lyman. Published by Prentice Hall. Copyright © 2011 by Pearson Education, Inc. 7 Police academy recruits train in crime scene investigation by assisting the search of an actual outdoor crime scene. Courtesy of Mark Ide. Investigators are specialists. , emergency aid, finding lost children, traffic control). Despite the diversity of tasks performed by patrol officers, investigators also assume many substantial duties. For example, detectives gather crime information, effect arrests, and prepare cases for prosecution and trial.

9 For example, Nordby states that a homicide investigation could show that the killer did not need to break in to a residence because he had a key. This theory would significantly narrow the possibilities. It is important for investigators to not only have a theory that guides the investigation but also that any theory that is contradicted be discarded. In other words, it is important for investigators to understand how logic and science work together. Abduction is the process, therefore, of proposing a likely explanation for an event that must then be tested.

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