GROUP IDENTIFICATOIN OF CARTRIDGE CASES DISCHARGED FROM HOMEMADE SUB-MACHINE GUNS

Are blank cartridge guns really harmless?

Blank cartridge guns are devices that discharge sound and gas, but no bullet or shot. These devices are very similar to real guns in the form of their external design and the sound generated during their firing. Although it is widely held in society that these devices are harmless, reports from Turkey and the world have shown that these guns are not entirely innocent. Herein, we present a 26-ye...

The Retrieval of a DNA profile from Spent Cartridge Cases

3. Given BW. Latent Fingerprints on Cartridges and Expended Cartridge Casings. Journal of Forensic Sciences 1976;21:587-594. Over the five year time period spanning from 1998 – 2002 there was an approximate 30% increase in firearm associated crime in the UK (as reported by the Metropolitan Police). The Home Office reported that gun crime had increased from a reported 4,903 offences in 1997/8 to...

Pattern recognition in a database of cartridge cases

1. ABSTRACT On the market several systems exist for collecting spent ammunition for forensic investigation. These databases store images of cartridge cases and the marks on them. The research in this paper is focussed on the different methods of feature selection and pattern recognition that can be used for comparison. For automatic comparison of these images it is necessary to extract firstly ...

Lessons from the Game Cartridge

Real-time Mouth Defects Detection on Military Cartridge Cases

A military cartridge includes four elements; case, capsule, ammunition and powder. While manufacturing, defects may occur in the case. These defects should be detected and the defected cases should be separated. Defects could occur in the mouth, surface and primer parts of the case. This paper proposes the methodology that involves the real-time inspection of the defects in the mouth part of th...