Antecedents of Suicide among Youth Aged 11–15: A Multistate Mixed Methods Analysis

Suicide is the second leading cause of death for youth aged 11 to 15, taking over 5,500 lives from 2003 to 2014. Suicide among this age group is linked to risk factors such as mental health problems, family history of suicidal behavior, biological factors, family problems, and peer victimization and bullying. However, few studies have examined the frequency with which such problems occur among youth suicide decedents or the context in which decedents experience these risk factors and the complex interplay of risk that results in a decedent’s decision to take his/her own life. Data from a random sample of 482 youth (ages 11–15) suicide cases captured in the National Violent Death Reporting System from 2003 to 2014 were analyzed. The sample had fewer girls than boys (31 vs. 69?%) and comprised primarily White youth (79?%), but also African Americans (13?%), Asians (4?%), and youth of other races (4?%). Narrative data from coroner/medical examiner and law enforcement investigative reports were coded and analyzed to identify common behavioral patterns that preceded suicide. Emergent themes were quantified and examined using content and constant comparative analysis. Themes regarding antecedents across multiple levels of the social ecology emerged. Relationship problems, particularly with parents, were the most common suicide antecedent. Also, a pattern demonstrating a consistent progression toward suicidal behavior emerged from the data. Narratives indicated that youth were commonly exposed to one or more problems, often resulting in feelings of loneliness and burdensomeness, which progressed toward thoughts and sometimes plans for or attempts at suicide. Continued exposure to negative experiences and thoughts/plans about suicide, and/or self-injurious acts resulted in an acquired capacity to self-harm, eventually leading to suicide. These findings provide support for theories of suicidal behavior and highlight the importance of multi-level, comprehensive interventions that address individual cognitions and build social connectedness and support, as well as prevention strategies that increase awareness of the warning signs and symptoms of suicide, particularly among family members of at-risk youth.     

Reviews

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Human hair histogenesis for the mitochondrial DNA forensic scientist.

Analysis of mitochondrial DNA (mtDNA) sequence from human hairs has proven to be a valuable complement to traditional hair comparison microscopy in forensic cases when nuclear DNA typing is not possible. However, while much is known about the specialties of hair biology and mtDNA sequence analysis, there has been little correlation of individual information. Hair microscopy and hair embryogenesis are subjects that are sometimes unfamiliar to the forensic DNA scientist. The continual growth and replacement of human hairs involves complex cellular transformation and regeneration events. In turn, the analysis of mtDNA sequence data can involve complex questions of interpretation (e.g., heteroplasmy and the sequence variation it may cause within an individual, or between related individuals. In this paper we review the details of hair developmental histology, including the migration of mitochondria in the growing hair, and the related interpretation issues regarding the analysis of mtDNA data in hair. Macroscopic and microscopic hair specimen classifications are provided as a possible guide to help forensic scientists better associate mtDNA sequence heteroplasmy data with the physical characteristics of a hair. These same hair specimen classifications may also be useful when evaluating the relative success in sequencing different types and/or forms of human hairs. The ultimate goal of this review is to bring the hair microscopist and forensic DNA scientist closer together, as the use of mtDNA sequence analysis continues to expand.     

Aboriginal Affairs: Humanitarian Intervention Then and Now: Dis/Connections and Possibilities

Aboriginal affairs has always been a sore point in Australia. Ever since the first Governor attempted to put in place the Colonial Office's instructions to treat the inhabitants with “amity and kindness” the exercise has been fraught. There is a text‐book version of the changing policy landscape and rote school lessons on the gradual acquisition of Aboriginal rights and freedoms. These go some way to conveying the contested ground, political conflict and personal anguish on which this history was built. Yet, they give the impression of evolution and progress. At the same time, the history wars magnified the fractiousness without carving a pathway through. In this paper I recover an important part of the history, which often goes unremarked. I reflect on the role of humanitarian intervention in this politics. Not only has it been critical to the policy landscape — for good and ill — but there are also historical connections and lineages between then and now, which deserve attention. Closely aligned to a history of human rights in Australia, recovering this history seems more pertinent than ever 1 .     

Routine forensic use of the mitochondrial 12S ribosomal RNA gene for species identification

Since July 2004, Mitotyping Technologies has been amplifying and sequencing a approximately 150 base pair fragment of mitochondrial DNA (mtDNA) that codes for 12S ribosomal RNA, to identify the species origin of nonhuman casework samples. The approximately 100 base pair sequence product is searched at http://www.ncbi.nlm.nih.gov/BLAST and the species match is reported. The use of this assay has halved the number of samples for which no mtDNA results are obtained and is especially useful on hairs and degraded samples. The availability of species determination may aid forensic investigators in opening or closing off lines of inquiry where a highly probative but challenging sample has been collected.     

Modelling the buried human body environment in upland climes using three contrasting field sites

Despite an increasing literature on the decomposition of human remains, whether buried or exposed, it is important to recognise the role of specific microenvironments which can either trigger or delay the rate of decomposition. Recent casework in Northern England involving buried and partially buried human remains has demonstrated a need for a more detailed understanding of the effect of contrasting site conditions on cadaver decomposition and on the microenvironment created within the grave itself. Pigs (Sus scrofa) were used as body analogues in three inter-related taphonomy experiments to examine differential decomposition of buried human remains. They were buried at three contrasting field sites (pasture, moorland, and deciduous woodland) within a 15 km radius of the University of Bradford, West Yorkshire, UK. Changes to the buried body and the effect of these changes on hair and associated death-scene textile materials were monitored as was the microenvironment of the grave. At recovery, 6, 12 and 24 months post-burial, the extent of soft tissue decomposition was recorded and samples of fat and soil were collected for gas chromatography mass spectrometry (GCMS) analysis. The results of these studies demonstrated that (1) soil conditions at these three burial sites has a marked effect on the condition of the buried body but even within a single site variation can occur; (2) the process of soft tissue decomposition modifies the localised burial microenvironment in terms of microbiological load, pH, moisture and changes in redox status. These observations have widespread application for the investigation of clandestine burial and time since deposition, and in understanding changes within the burial microenvironment that may impact on biomaterials such as hair and other associated death scene materials.     

Systematic review of religious affiliations and beliefs as correlates of public attitudes toward capital punishment

Religious reasons are frequently described as considerations that shape support for or opposition to capital punishment; however, there are many inconsistencies in the literature. This study represents a systematic review of the extant research on religious affiliations and beliefs as correlates of public attitudes toward capital punishment. Searches conducted in five databases identified 33 articles, representing 97,570 respondents. Results revealed that people belonging to Protestant affiliations and with negative images of God were more likely to support capital punishment. People possessing positive images of God and with strong beliefs in compassion were less likely to support capital punishment. The religious correlates commonly assessed in the extant literature, such as fundamentalism, are not significant correlates of attitudes toward capital punishment. Findings also revealed that the predominance of research examined Christian religious affiliations, to the exclusion of other common affiliations, such as Buddhist or Islamic affiliations. Taken together, findings suggest that compared to affiliations, religious beliefs better explain attitudes toward capital punishment. Further research is needed to investigate the ways religious correlates influence death qualified jury selection and capital sentencing decisions. An increased understanding of the nuanced relationship between religion and capital punishment attitudes can better inform capital punishment policy and practice.