Download Ballistic Imaging by Accuracy and Technical Capability of a National Ballistics PDF

By Accuracy and Technical Capability of a National Ballistics Database Committee to Assess the Feasibility, National Research Council

ISBN-10: 0309117240

ISBN-13: 9780309117241

"Ballistic Imaging" assesses the country of computer-based imaging expertise in forensic firearms id. The ebook evaluates the present legislation enforcement database of pictures of crime-related cartridge situations and bullets and recommends how one can increase the usefulness of the know-how for suggesting leads in felony investigations. It additionally advises opposed to the development of a countrywide reference database that might contain photos from test-fires of each newly synthetic or imported firearm within the usa. The e-book additionally indicates additional study on another strategy for producing an investigative bring about the positioning the place a gun used to be first bought: 'micro stamping', the direct imprinting of specific identifiers on firearm elements or ammunition.

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After firing, the spent cartridge case is ejected “through a port in the side, or occasionally top, of the slide. At the end of its rearward motion, the spring-loaded slide moves forward[,] stripping a fresh round off the top of the magazine and feeding it into the rear of the barrel” (Heard, 1997:19). Pistols are often referred to as semiautomatic pistols (or semi­ automatics); they are semiautomatic in that they are self-loading but require separate, distinct trigger pulls to fire different rounds.

Similarly, the New York Combined Ballistic Identification System (CoBIS) database was established as the “pistol and ­revolver ballistic identification databank” (New York General Business Laws, Article 26, Section 396-ff): Any manufacturer that ships, transports or delivers a pistol or revolver to any person in this state shall . . include in the container with such pistol or revolver a separate sealed container that encloses: (a) a shell casing of a bullet or projectile discharged from such pistol or revolver; and (b) any addi­ tional information that identifies such pistol or revolver and shell casing.

S. residents followed the same trajectory; see Figure 1-2. UCR data on the yearly number of homicides committed with firearms between 1973 and 2003 follow the same trajectory as the total number of firearms crimes per year; see Figure 1-3. However, the peaks and valleys were more pronounced in the gun homicide trend data. Gun homicides peaked in 3 years: 1974, 1980, and 1993. After 1993, there was a steep decrease to 1999. 6 gun homicides per 100,000). The steep increase in gun homicides beginning in the 1980s and peaking in 1993 was largely driven by minority youth in urban settings (Cook and Laub, 2002; Blumstein, 1995).

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Ballistic Imaging by Accuracy and Technical Capability of a National Ballistics Database Committee to Assess the Feasibility, National Research Council


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