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NCJ Number: 66209 Find in a Library
Title: CRIMINAL USE OF AIR WEAPONS
Journal: FORENSIC SCIENCE SOCIETY JOURNAL  Volume:19  Issue:3  Dated:(JULY 1979)  Pages:159-163
Author(s): G R BRUNT; A J PACEY
Corporate Author: Forensic Science Soc
United Kingdom
Date Published: 1979
Page Count: 5
Sponsoring Agency: Forensic Science Soc
Harrowgate, N Yorkshire HG1 1BX, England
Format: Article
Language: English
Country: United Kingdom
Annotation: FOCUSING ON THE INCREASING USE OF AIR WEAPONS IN ENGLAND AND WALES, THIS ARTICLE ILLUSTRATES THE VARIOUS PELLET COMPARISON TECHNIQUES, DISCUSSES LOADING MARKS, AND EXPLAINS THE FIREARMS RULES OF 1969.
Abstract: TO INCREASE THE KNOWLEDGE OF FIREARMS EXAMINERS WHO ARE EXPECTED TO PROVIDE THE COURTS WITH ALL AVAILABLE INFORMATION ON SUCH WEAPONS, THE FOLLOWING PELLET COMPARISON METHODS ARE DISCUSSED: THE CONVENTIONAL COMPARISON MACROSCOPE, THE MOST WIDELY USED METHOD OF PELLET AND BULLET COMPARISON; THE PERIPHERY CAMERA, WHICH PROVIDES A CONTINUOUS PHOTOGRAPHIC RECORDING OF 360 DEGREES OF THE OUTER PERIPHERY OF CYLINDRICAL OR NEAR CYLINDRICAL OBJECTS; AND THE TALYROND 200, DESIGNED TO MEASURE TO A HIGH DEGREE OF ACCURACY ERRORS OF GEOMETRIC SHAPE OF CIRCULAR OBJECTS. IN ADDITION, IF THE NOSE AND SKIRT OF AIR RIFLE PELLETS ARE DISTORTED AS A RESULT OF IMPACT, LOADING MARKS ON THE BASE OF THE PELLET CAN OFTEN ASSOCIATE A PELLET WITH A PARTICULAR WEAPON, ALTHOUGH IT CANNOT BE ESTABLISHED THAT THE PELLET WAS ACTUALLY DISCHARGED BY THAT WEAPON. THE POSSIBLE DANGERS OF INADEQUATE PACKING OF PELLETS PRIOR TO THEIR RECEIPT AT THE LABORATORY ARE ALSO BRIEFLY DISCUSSED. FINALLY, THE FIREARMS RULES APPLY TO AN AIR RIFLE, AIR GUN, OR AIR PISTOL CAPABLE OF DISCHARGING A MISSILE WITH KINETIC ENERGY IN EXCESS OF 6 FT. LB., OR 12 FT. LB. IN CASE OF AN AIR WEAPON OTHER THAN AN AIR PISTOL. (WJR)
Index Term(s): Ballistics; Crime laboratory equipment; England; Firearms acts; Firearms identification; Wales; Weapons
To cite this abstract, use the following link:
http://www.ncjrs.gov/App/publications/abstract.aspx?ID=66209

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