...L Niewoehner, PhD; J Andrasko, PhD; J Biegstraaten, BS; L Gunaratnam, MSc; S Steffen, MSc; S Uhlig, PhD Within the framework of the ENFSI Expert Working Group “Firearms,” every second year, a proficiency test on the detection and identification of GSR by SEM/EDX is carried out. This proficiency...

... between 11 and 96 years (average age 42.0 years). The majority of victims were males (81.7%) and Caucasian (94.8%). African-American females comprised the smallest group, consisting of only 0.59%. The preferred mode of death was by firearm (67.5%), followed by hanging (13.7%), overdose (9.9%), and carbon...

...YY Avissar, M.Sc.; AE Sagiv, M.Sc.; D Mandler, Ph.D.; J Almog, Ph.D. Quantitative data are reported for the first time on the amounts of iron, which are transferred to the hand upon holding a firearm. Iron levels between 21–315 ng/cm2 were found on volunteers' palms after a single holding...

... and preparing forensic samples for pollen analysis, providing a complete standard procedure for both the palynologist and non-specialist. Procedures for sub-sampling include a wide variety of materials commonly collected for forensic analysis (soil, clothing and other fabrics, footwear, twine and rope, firearms...

... since discharge. KEYWORDS: forensic science, firearms, time since discharge, SPME, shotguns, firearm discharge residues, GC-MS, spent cartridges Background Determining the time since discharge of firearms is an important aspect of firearms investigations. Spent cartridges found at a crime scene may...

...L Niewoehner, PhD; HW Wenz, PhD; J Andrasko, PhD; R Beijer, MSc; L Gunaratnam, MSc Within the framework of the ENFSI Expert Working Group “Firearms,” a proficiency test on the detection and identification of GSR by SEM/EDX was organized and performed. The test material was designed...

... and rifles is difficult to apply as the decay is very rapid. Therefore, the detection of TEA2 compounds in small arms should be interpreted that the firearm had been used very recently. The amount of volatile decomposition products of smokeless powder increased significantly with the length of the barrel...

...A Leifer, M.Sc; Y Avissar, B.Sc.; S Berger, M.B.A.; H Wax, M.Sc; Y Donchin, M.D.; J Almog, Ph.D. Pyridyldiphenyl triazine (PDT) and three of its analogues were compared as practical reagents for visualizing unseen impressions left on the hands of a person who has held a firearm. The parent compound...

... of shotguns can be applied also for rifles. KEYWORDS: forensic science, firearms, time since discharge, SPME, GC, GC-TEA, firearm discharge residues, rifles The solid phase micro-extraction (SPME) technique has been used successfully for detection of various volatile compounds inside firearm barrels as well...

...SG Bunch, Ph.D. In the forensic science of firearms and toolmark identification, examiners traditionally have drawn conclusions of identity from subjective criteria. This paper critically explores the general validity of one proposed objective-criteria regime—that of counting consecutive matching...

... to connect the bullet with a firearm. CASE REPORT Asne Klein,1 M.Sc.; Lior Nedivi,2 B. Sc.; and Howard Silverwater,3 B. Engineering Physical Match of Fragmented Bullets REFERENCE: Klein A, Nedivi L, Silverwater H. Physical match of fragmented bullets. J Forensic Sci 2000:45(3);722 727. ABSTRACT...

...-compound were detected in most of the cartridges. These combustion products are the same as those measured in firearm barrels, but in cartridges the detected amounts are lower. The estimation of time since discharge is based on the rate of escape of the volatile combustion compounds from the cartridge...

..., solid phase microextraction, firearms, shotgun, GC-TEA, gas chromatography The determination of time since discharge of a firearm is generally used for one purpose, namely, to estimate when the firearm was last used. In the case we describe here, the time of shooting with a shotgun was known. The method...

...P Alakija, M.D.; GP Dowling, M.D.; B Gunn, B.Sc. “Stellate” or “cruciform” tears of clothing are conventionally believed due to contact or close-range firearm entrance wounds. However, there are no published studies that actually document and confirm this observation. A Remington Nylon 11 .22...

..., the GC/TEA and GC/FID(MS) system. These two systems detect various combustion products and the estimation of time since the latest discharge is based on the rate of escape of the volatile discharge residues from the barrel as a function of time. If the ammunition used in the suspect firearm is known...

...J Almog, Ph.D.; B Glattstein, M.Sc. The results of a multifaceted research project towards the optimization of the visualization process of firearms contact marks on hands are reported. Latent imprints that are formed by the close contact between the metallic parts of the weapons and the palms were...

...RG Nichols, B.S. A review of the literature pertaining to identification criteria for firearms and toolmark identification was performed. Thirty-four articles were reviewed including empirical studies of consecutively manufactured barrels, firing pins, breechfaces, and assorted tools. Also reviewed...

...JE Hamby, M.A.; JW Thorpe, Ph.D. It was thought that firearms reference collections in forensic science laboratories are liable to come under scrutiny. A survey was carried out to ascertain how many forensic science laboratories have such collections, what uses are made of them, and the views...

... . Eliopulos   L N . Death Investigator's Handbook . Paladin Press , 1993 . Fisher   B AJ . Techniques of Crime Scene Investigation , CRC Press , 1993 . forensic science forensic medicine firearms revolver suicide position of fired cartridge casing indexing 22 05 1995...

... and biology firearms contact shotgun wounds wounding potential autopsy suicide References Guerin , P. F. , “ Shotgun Wounds ,” Journal of Forensic Sciences   0022-1198 , Vol. 5 , No. 3 , 07 1960 , pp. 294 - 318 . DiMaio , D. J. , Gunshot Wounds: Practical Aspects of Firearms...