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Johnny J Perez, David A Watson, Robert J Levis
Nonresonant laser vaporization combined with high resolution time-of-flight mass spectrometry enables analysis of a casing after discharge of a firearm revealing organic signature molecules including methyl centralite (MC), diphenylamine (DPA), N-nitrosodiphenylamine (N-NO-DPA), 4-nitrodiphenylamine (4-NDPA), a DPA adduct and multiple unidentified features not observed in previous mass spectral measurements. Collision-induced dissociation measurements of unknown GSR signature ions reveals inorganic barium and derivatives BaOH, BaOHCH3, BaCH3COO remaining from the primer...
October 26, 2016: Analytical Chemistry
Leigh Hlavaty, Sarah Avedschmidt, Kelly Root, Jeffrey Amley, LokMan Sung
Proper interpretation of gunshot wounds is vital for the forensic pathologist and requires experience and expertise, as well as consultation with a firearms and ballistics expert and careful scene investigation in cases of atypical gunshot wounds. This study is the first large-series examining ricochet gunshot wounds involving different firearm calibers. Typical gunshot wounds created from 4 handgun calibers (22 Long Rifle, 9 × 19 mm Parabellum, .40 Smith &Wesson, and .45 Automatic Colt Pistol) and 2 rifle calibers (5...
October 25, 2016: American Journal of Forensic Medicine and Pathology
Y Nouma, W Ben Amar, M Zribi, S Bardaa, Z Hammami, S Maatoug
We report a case of a Tunisian footballer who was found dead abroad under suspicious circumstances. The cause of death was, originally, attributed to a lightning strike. The corpse was buried without/autopsy. Over thirty years later, the family requested the exhumation to verify the identity and the cause of death. The exhumation was performed in 2011. DNA profiling from teeth and femur bone samples confirmed the identity of the deceased. The dry bone study revealed defects in the skull and the pelvis evoking firearm injuries...
October 11, 2016: Journal of Forensic and Legal Medicine
Elizabeth Marino, Christopher Wolsko, Susan G Keys, Laura Pennavaria
Suicide is a critical public health problem worldwide. In the United States (US), firearm ownership is common, and firearms account for the majority of deaths by suicide. While suicide prevention strategies may include limiting access to firearms, the contentious nature of gun regulations in the US, particularly among members of rural communities, often gives rise to constitutional concerns and political polarization that could inhibit suicidal persons from seeking the help they need. We examine potential outcomes of public health strategies in the US that encourage limiting access to firearms for populations who both value firearm ownership and are vulnerable to suicide...
September 2016: Journal of Public Health Policy
David Hemenway, Elizabeth P Nolan
INTRODUCTION: No one has systematically collected the views of firearm researchers to determine if and where agreement exists on the scientific evidence about firearms and firearm violence. METHODS: We send a short monthly on-line survey to firearm researchers. Each survey asks respondents their level of agreement with a statement about firearms, their rating of the quality of the scientific evidence on the specific issue, their familiarity with that literature and their area of expertise...
October 6, 2016: Injury Prevention: Journal of the International Society for Child and Adolescent Injury Prevention
Kelsie Y Chesnut, Melissa Barragan, Jason Gravel, Natalie A Pifer, Keramet Reiter, Nicole Sherman, George E Tita
OBJECTIVES: California has strict firearm-related laws and is exceptional in its regulation of firearms retailers. Though evidence suggests that these laws can reduce illegal access to guns, high levels of gun violence persist in Los Angeles (LA), California. This research seeks to describe the sources of guns accessed by active offenders in LA, California and reports offenders' motivations for obtaining guns. SETTING: Los Angeles County Jail (LACJ) system (four facilities)...
October 6, 2016: Injury Prevention: Journal of the International Society for Child and Adolescent Injury Prevention
Adrienne J Heinz, Nicole L Cohen, Lori Holleran, Jennifer A Alvarez, Marcel O Bonn-Miller
Post-traumatic stress disorder (PTSD), a condition that disproportionately affects military veterans, is associated with heightened rates of aggression and suicide. Although experience with firearms is common among this population, virtually nothing is known regarding who is more likely to own a firearm and whether firearm ownership is differentially associated with psychological and behavioral risk factors among veterans with PTSD. Of 465 veterans (79% male) entering PTSD treatment, 28% owned a firearm (median number of firearms among owners = 3, range = 1-40)...
October 2016: Military Medicine
Stephen Hargarten
No abstract text is available yet for this article.
October 18, 2016: Annals of Internal Medicine
Ali Rowhani-Rahbar, Mary D Fan, Joseph A Simonetti, Vivian H Lyons, Jin Wang, Douglas Zatzick, Frederick P Rivara
Background: Hospital-based violence intervention programs typically focus on patients whose firearm injury occurred through interpersonal violence (assault). Knowledge of violence perpetration by victims of unintentional (accidental) firearm injury is limited. Objective: To examine violence perpetration before and after a patient becomes hospitalized for firearm injury according to injury intent (intentional [assault] or unintentional [accidental]). Design: A case-control study and a retrospective cohort study...
October 18, 2016: Annals of Internal Medicine
Garen J Wintemute, Shannon Frattaroli, Mona A Wright, Barbara E Claire, Katherine A Vittes, Daniel W Webster
BACKGROUND: Persons subject to domestic violence restraining orders (DVROs), known as respondents, are generally prohibited from possessing firearms. Efforts to enforce that prohibition have not been evaluated. The study objective was to determine whether associations exist between risk of incident arrest among DVRO respondents and 1) respondents' access to firearms, and 2) law enforcement recovery of firearms from respondents with access to them. METHODS: This was an observational study of 2,972 DVRO respondents in San Mateo County, California, 525 of whom were linked to firearms by standardized screening procedures...
December 2015: Injury Epidemiology
Kacie Seil, Jennifer Marcum, Ramona Lall, Catherine Stayton
BACKGROUND: The New York City emergency department (ED) syndromic surveillance (SS) system provides near real-time data on the majority of ED visits. The utility of ED SS for injury surveillance has not been thoroughly evaluated. We created injury syndromes based on ED chief complaint information and evaluated their utility compared to administrative billing data. METHODS: Six injury syndromes were developed: traffic-related injuries to pedal cyclists, pedestrians, and motor vehicle occupants; fall-related injuries; firearm-related injuries; and assault-related stabbings...
December 2015: Injury Epidemiology
Alfreda Holloway-Beth, Linda Forst, Julia Lippert, Sherry Brandt-Rauf, Sally Freels, Lee Friedman
BACKGROUND: Current research regarding injuries caused during interactions between police officers and civilians is conducted intermittently or on a very narrow sample frame which provides very little clinical information about the injuries suffered or the adverse outcomes. The aim of this study is to identify comorbid risk factors and describe acute outcomes of medically treated traumatic injuries occurring as a result of contact with law enforcement personnel. METHODS: For this retrospective study, patients injured as a result of contact with law enforcement personnel were identified using ICD-9 external cause of injury codes from medical record databases of patients treated in all hospitals and trauma units in Illinois between 2000 and 2009...
December 2016: Injury Epidemiology
Ethan C Jamison, Kirk A Bol
INTRODUCTION: Non-fatal suicide attempts are a risk factor for suicide, but less is known about its effect on the method of injury used in an eventual suicide death. This study examines the association between history of non-fatal suicide attempt and the risk of a poisoning suicide versus firearm or hanging suicide in Colorado. METHODS: Nine years (2004-2012, N=7,020) of suicide deaths in Colorado were compiled through the National Violent Death Reporting System...
November 2016: American Journal of Preventive Medicine
Janet M Blair, Katherine A Fowler, Carter J Betz, Jason L Baumgardner
INTRODUCTION: Law enforcement officers (LEOs) in the U.S. are at an increased risk for homicide. The purpose of this study is to describe the characteristics of homicides of LEOs in 17 U.S. states participating in the National Violent Death Reporting System. This active surveillance system uses data from death certificates, coroner/medical examiner reports, and law enforcement reports. METHODS: This study used quantitative and qualitative methods to analyze National Violent Death Reporting System data for 2003-2013...
November 2016: American Journal of Preventive Medicine
Bethany L Strong, Sarah-Blythe Ballard, Wendy Braund
The American College of Preventive Medicine Policy Committee makes policy guidelines and recommendations on preventive medicine and public health topics for public health decision makers. After a review of the current evidence available in 2016, the College is providing a consensus-based set of policy recommendations designed to reduce firearm-related morbidity and mortality in the U.S. These guidelines address seven general areas pertaining to the public health threat posed by firearms: gun sales and background checks, assault weapons and high-capacity weapons, mental health, research funding, gun storage laws, and physician counseling...
October 12, 2016: American Journal of Preventive Medicine
Steven A Sumner, Matthew J Maenner, Christina M Socias, James A Mercy, Paul Silverman, Sandra P Medinilla, Steven S Martin, Likang Xu, Susan D Hillis
INTRODUCTION: Accurately identifying youth at highest risk of firearm violence involvement could permit delivery of focused, comprehensive prevention services. This study explored whether readily available city and state administrative data covering life events before youth firearm violence could elucidate patterns preceding such violence. METHODS: Four hundred twenty-one individuals arrested for homicide, attempted homicide, aggravated assault, or robbery with a firearm committed in Wilmington, Delaware, from January 1, 2009 to May 21, 2014, were matched 1:3 to 1,259 Wilmington resident controls on birth year and sex...
September 8, 2016: American Journal of Preventive Medicine
Matthew D Fetzer, Frank S Pezzella
The core justification of bias crime statutes concerns whether bias-motivated crimes are qualitatively different from otherwise motivated crimes. We test the hypothesis that bias crimes are more detrimental than non-bias crimes by testing for multi-dimensional injuries to victims of bias and non-bias-motivated criminal conduct. Using National Crime Victimization Survey (NCVS) Extract 2013 Collection Year Incident-level Extract File, we analyzed physical injuries and psychological trauma to NCVS victims during 2013...
October 13, 2016: Journal of Interpersonal Violence
Charles C Branas, Michelle C Kondo, Sean M Murphy, Eugenia C South, Daniel Polsky, John M MacDonald
OBJECTIVES: To determine if blight remediation of abandoned buildings and vacant lots can be a cost-beneficial solution to firearm violence in US cities. METHODS: We performed quasi-experimental analyses of the impacts and economic returns on investment of urban blight remediation programs involving 5112 abandoned buildings and vacant lots on the occurrence of firearm and nonfirearm violence in Philadelphia, Pennsylvania, from 1999 to 2013. We adjusted before-after percent changes and returns on investment in treated versus control groups for sociodemographic factors...
October 13, 2016: American Journal of Public Health
Garen J Wintemute, Laurel Beckett, Philip H Kass, Daniel Tancredi, David Studdert, Glenn Pierce, Anthony A Braga, Mona A Wright, Magdalena Cerdá
BACKGROUND AND OBJECTIVE: Too little is known about the effectiveness of efforts to prevent firearm violence. Our objective is to evaluate California's Armed and Prohibited Persons System (APPS), a law enforcement intervention that seeks to recover firearms from individuals who purchased them legally but subsequently became prohibited from having access to firearms. Prohibitions usually arise from events suggesting an increased risk for future violence. DESIGN AND STUDY POPULATION: This group-randomised trial involves approximately 20 000 APPS-eligible individuals in 1041 communities...
October 11, 2016: Injury Prevention: Journal of the International Society for Child and Adolescent Injury Prevention
M Denise Dowd
No abstract text is available yet for this article.
October 5, 2016: Journal of Pediatrics
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