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231.
232.
Marloes E. M. Vester M.D. Ph.D. Kurt B. Nolte M.D. Ph.D. Gary M. Hatch M.D. Chandra Y. Gerrard M.P.H. B.S. Reinoud D. Stoel Ph.D. Rick R. van Rijn M.D. Ph.D. 《Journal of forensic sciences》2020,65(5):1568-1573
Postmortem computed tomography (PMCT) is integrated into the evaluation of decedents in several American medical examiner offices and medicolegal death investigative centers in many other countries. We retrospectively investigated the value of PMCT in a series of firearm homicide cases from a statewide centralized medical examiner’s office that occurred during 2016. Autopsies were performed or supervised by board-certified forensic pathologists who reviewed the PMCT scans prior to autopsy. PMCT scans were re-evaluated by a forensic radiologist blinded to the autopsy findings and scored by body region (head–neck, thoracoabdominal, and extremities). Injury discrepancies were scored using a modified Goldman classification and analyzed with McNemar’s test. We included 60 males and 20 females (median age 31 years, range 3–73). Based on PMCT, 56 (79.1%) cases had injuries relevant to the cause of death in a single body region (24 head–neck region, 32 thoracoabdominal region). Out of these 56 cases, 9 had a missed major diagnosis by PMCT outside that region, including 6 extremity injuries visible during standard external examination. Yet all had evident lethal firearm injury. We showed that PMCT identifies major firearm injuries in homicide victims and excludes injuries related to the cause of death in other regions when a single body region is injured. Although PMCT has a known limited sensitivity for soft tissue and vascular pathology, it can be combined with external examination to potentially reduce or focus dissections in some of these cases depending on the circumstances and medicolegal needs. 相似文献
233.
Andrea Y. Garzón-Serrano M.Sc. César A. Sierra Ph.D. Oscar Rodríguez-Bejarano Dr.Sc. Diana Sinuco Dr.Sc. 《Journal of forensic sciences》2020,65(4):1085-1093
Ammonium nitrate fuel oil is an explosive mixture found in most antipersonnel landmines (APL) buried throughout the Colombian territory. During more than 50 years of internal conflict, the Colombian government has found that trained dogs are the most effective method to detect APL. However, the olfactive signature in ANFO is unknown and also if there are differences in detection related to the explosive manufacturing origin. Therefore, this work begins with the analytical validation of the method used to determine ammonia, in its derivatized form as carbamate, released by home-made ANFO using HS-SPME-GC-FID. Once validated, the method was used to identify ammonia and other organic volatile compounds present in ANFO, under laboratory and simulated field conditions. The validation process includes the evaluation of the optimum conditions for the derivation and extraction of butylcarbamate, the determination of the working ranges with linear response in FID, the limits of detection and quantification, the sensitivity, and the precision. The results of the validation established linearity and sensitivity in a concentration between 20 and 120 mg/L, as well as low limits of detection and quantification of 6.4 and 21.4 mg/L, respectively. Also, an intermediate precision of 11% for butylcarbamate with a repeatability of 8%. The validated method showed in real samples of home-made ANFO besides ammonia, the presence of low molecular methylamines, and also exhibited differences in volatile compositions according to the origin. The objective of this work is to offer a reliable analytical methodology for the extraction and analysis of volatile compounds from ANFO. 相似文献
234.
235.
Sophia K. Chiu M.D. M.P.H. Jessica F. Li M.S.P.H. Kurt B. Nolte M.D. 《Journal of forensic sciences》2020,65(4):1324-1327
Recent increases in deaths in the United States from synthetic opioids such as fentanyl and fentanyl analogues (fentanyls) have raised concerns about possible occupational exposures to these potent agents. Medicolegal death investigators and autopsy suite staff might perform job tasks involving exposure to fentanyls. The potential for exposure to fentanyls among medicolegal death investigators and autopsy technicians at a state medical examiner's office was evaluated through review of caseload characteristics, injury and illness logs, and procedures and policies and discussions with management and employee representatives. The evaluation showed that this medical examiner's office had low potential for work-related exposure to fentanyls; its standard operating procedures and personal protective equipment requirements should reduce the potential for occupational exposure. Medicolegal death investigation agencies can develop and implement guidance to control exposures and provide workforce education and training to reduce the potential for work-related exposure to fentanyls. 相似文献
236.
ABSTRACTStudies have demonstrated the efficacy of the Scharff technique for gathering human intelligence, but little is known about how this efficacy might vary among different samples of practitioners. In this training study we examined a sample of military officers (n?=?37). Half was trained in the Scharff technique and compared against officers receiving no Scharff training. All officers received the same case file describing two sources holding information about a terrorist attack. University students (n?=?74) took the role of the semi-cooperative sources. Scharff-trained officers adhered to the training as they (1) aimed to establish the ‘knowing-it-all’ illusion, (2) posed claims as a means of eliciting information, and (3) asked fewer explicit questions. The ‘untrained’ officers asked many explicit questions, questioned the reliability of the provided information, pressured the source, and displayed disappointment with the source's contribution. Scharff-trained officers were perceived as less eager to gather information and left their sources with the impression of having provided comparatively less new information, but collected a similar amount of new information as their untrained colleagues. The present paper both replicates and advances previous work in the field, and marks the Scharff technique as a promising technique for gathering human intelligence. 相似文献
237.
Psychological Injury and Law - The extent to which persons may feign or malinger psychological symptoms is an important concern for civil litigation, specifically in the context of personal injury.... 相似文献
238.
Lila Kazemian David P. Farrington Marc Le Blanc 《Journal of youth and adolescence》2009,38(3):384-400
This study consists of a comparative analysis of patterns of de-escalation between ages 17–18 and 32, based on data from two
well-known prospective longitudinal studies, the Cambridge Study in Delinquent Development (a study of 411 working-class males
in London) and the Montreal Two Samples Longitudinal Study (a sample of 470 adjudicated French-Canadian males). Analyses focus
on within-individual change, with individuals serving as their own controls. In this regard, the magnitude of measured change
is relative to the past degree of involvement in offending. These results are contrasted with predictors of between-individual
differences in offending behavior at age 32. We investigate the respective roles of cognitive predispositions and social bonds
in the prediction of patterns of de-escalation, and assess whether it is possible to make relatively long-term predictions
(over a 15-year period) about offending in adulthood. Findings suggest that traditional measures of social bonds and cognitive
predispositions measured at age 17–18 are generally weak predictors of de-escalation up to age 32. However, these measures
are stronger predictors of between-individual differences in offending gravity. These findings highlight the difficulties
in making accurate long-term predictions about changes in individual offending patterns early in the criminal career.
Lila Kazemian is an assistant professor in the Department of Sociology at the John Jay College of Criminal Justice. She received her Ph.D. in Criminology from the University of Cambridge. Her research interests include life-course and developmental research, desistance from crime, comparative criminology, and offender reentry. David P. Farrington Farrington is a professor at the Institute of Criminology, University of Cambridge. He received his Ph.D. in Psychology from the University of Cambridge. His research interests include criminal career research, juvenile delinquency, violent offending, and crime prevention. Marc Le Blanc is an emeritus professor in the Department of Psychoeducation at Université de Montréal. He received his Ph.D. in Criminology from Université de Montréal. His research interests include criminological theory, longitudinal research, juvenile justice, and intervention among juvenile delinquents. 相似文献
Marc Le BlancEmail: |
Lila Kazemian is an assistant professor in the Department of Sociology at the John Jay College of Criminal Justice. She received her Ph.D. in Criminology from the University of Cambridge. Her research interests include life-course and developmental research, desistance from crime, comparative criminology, and offender reentry. David P. Farrington Farrington is a professor at the Institute of Criminology, University of Cambridge. He received his Ph.D. in Psychology from the University of Cambridge. His research interests include criminal career research, juvenile delinquency, violent offending, and crime prevention. Marc Le Blanc is an emeritus professor in the Department of Psychoeducation at Université de Montréal. He received his Ph.D. in Criminology from Université de Montréal. His research interests include criminological theory, longitudinal research, juvenile justice, and intervention among juvenile delinquents. 相似文献
239.
This study explores the emergence of a criminal career in adulthood. The main hypothesis tested is that late criminal onset
(at age 21 or later) is influenced by early factors that delay antisocial manifestations. The Cambridge Study in Delinquent
Development (CSDD) was used to examine early determinants of criminal behavior. 400 Inner London males were followed from
ages 8–10 to 48–50, and were classified as follows: 35 late onsetters who were first convicted at age 21 or later, and did
not have high self-reported delinquency at ages 10–14 and 15–18; 129 early onsetters first convicted between ages 10 and 20;
and 236 unconvicted males. Odds ratios and logistic regression analyses revealed that the best predictors of late onset offenders
compared with early onset offenders included nervousness, having few friends at ages 8–10, and not having sexual intercourse
by age 18. The best predictors of late onset offenders compared with nonoffenders included teacher-rated anxiousness at ages
12–14 and high neuroticism at age 16. It is concluded that being nervous and withdrawn protected boys against offending in
adolescence but that these protective effects tended to wear off after age 21. These findings show that adult offending can
be predicted from childhood, and suggest that early intervention might prevent a variety of maladjustment problems and difficulties
in adult life.
相似文献
David P. Farrington (Corresponding author)Email: |
240.
Easter Dawn Vo-Jutabha Khanh T. Dinh James P. McHale Jaan Valsiner 《Journal of youth and adolescence》2009,38(5):672-690
Focusing on identity development explorations enables a greater understanding of contexts that affect immigrant adolescents.
Utilizing thematic and grounded narrative analysis of 46 journal writings, during a one-month period, from first and second
generation Vietnamese adolescents ranging in age from 15 to 18 (26 residents of a culturally and politically active ethnic
enclave in Southern California; 20 adolescents living outside the enclave), this study establishes ways in which a focus on
social context and exploration processes illuminates the complexity of immigrant adolescents’ identity formation. The two
groups shared many similarities, including precipitants to exploration and steps undertaken to explore identity. However,
two factors—social and cultural influences and emotional reactions—revealed interesting contrasts distinguishing enclave from
non-enclave dwelling Vietnamese adolescents. Data also suggested that immigrant adolescents strive to integrate different
domains of identity (ethnicity, gender, career) both with one another and with the historical, social, and cultural contexts
they occupy.
相似文献
Jaan ValsinerEmail: |