Practical Bomb Scene Investigation, Third Edition (Practical by James T. Thurman

By James T. Thurman

Now in its 3rd version, Practical Bomb Scene Investigation explores the investigative technique that improvised explosive gadget (IED) experts adopt on the scene of an explosion. supplying easy-to-understand, step by step methods for dealing with and processing a bomb scene, it permits investigators to discover the facts after which make experience of what's stumbled on. The e-book isn't just a roadmap on how to define and gather facts and investigate the scene, but in addition offers guide on determining the bombmaker's signature via latent print, DNA, explosive residue, metallurgical, and toolmark exam and forensic analysis.

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Extra resources for Practical Bomb Scene Investigation, Third Edition (Practical Aspects of Criminal and Forensic Investigations)

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Combined explosives forces to produce an effect greater than either alone could give, except that the linear charge is in the shape of two intersecting flat planes covered with high explosives. When initiated, rather than producing a round hole, the linear charge produces a long groove. The liner of linear charges is usually copper or aluminum. However, before the dangers of aerosolized lead were identified, some flexible linear charges were constructed with lead liners. Two additional configurations or special applications of explosives have been developed to harness the energy of explosives.

This is an example of the “pitting and cratering” effect resulting from the initiation of high explosives near the metal. 14 Examples of military-type linear-shape charges. High explosives are placed into the open cavities and initiated with a detonator to create the linear-shape charge effect. 15 A linear hole or channel penetrated through a 1-inch steel plate from the explosive energy of a linear-shape charge. combined explosives forces to produce an effect greater than either alone could give, except that the linear charge is in the shape of two intersecting flat planes covered with high explosives.

This benefit is the determination of where the explosive device was located at the time it © 2006 by Taylor & Francis Group, LLC Explosion Theory and Dynamics 35 exploded. Normally this is quite evident and, indeed, a simple matter to determine. However, there are instances where it becomes problematic. One of these presents itself in the determination of whether the bomb was inside or outside a vehicle when it exploded. By a careful analysis of the explosion effects on the metal of the vehicle, the investigator can effectively formulate a conclusion as to the bomb’s location.

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