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The purpose of this paper is to examine temperament differences, notably effortful control and negative emotionality, and correlates that distinguish between homicide, violent sexual and other violent juvenile offenders. Exploring heterogeneity among violent offenders is relevant to intervention strategies and policy implications.

Demographic measures, temperament constructs and individual risk factor indicators were assessed across 30,303 violent juvenile offenders (including 397 homicide offenders) in Florida to assess their ability to distinguish among violent juvenile offender subgroups.

Analyses demonstrated temperament constructs distinguish among classifications of violent juvenile offenders with effortful control differentiating homicide and violent sexual offenders from other violent offenders, and negative emotionality distinguishing violent sexual from other violent offenders, with youth having greater negative emotionality and less effortful control being non-sexual violent offenders. Homicide offenders were more likely to be older, male and had histories of gang membership and weapon/firearm offending than other violent offenders, and evidenced greater negative emotionality than violent sexual offenders.

The differences across violent youthful offender subtypes suggest heterogeneity among violent offenders with distinct correlates more predictive of some subtypes than others. Additionally, the temperament constructs of effortful control and negative emotionality are useful in distinguishing violent offender subtypes, which points toward differing intervention/treatment strategies.

The purpose of this paper is to examine and explain the recidivism outcomes of a large cohort of juvenile homicide offenders three years following their release from institutional confinement.

Retrospective data were utilized to examine demographic, background, and institutional behavior variables on post-release recidivism of 247 juvenile homicide offenders. Analyses distinguish between capital and non-capital juvenile homicide offenders.

Descriptive analyses demonstrated a 50 percent recidivism rate among the sample of juvenile homicide offenders. Bivariate analyses revealed few significant differences between capital and non-capital homicide offending juveniles. Logistic regression analyses revealed that youth who were neglected prior to state institutionalization were significantly more likely to recidivate. Logistic regression also revealed that longer lengths of incarceration were associated with decreased odds of recidivism, while participating in assaultive behaviors against peers while confined aggravated the odds of recidivism.

Implications related to the role that previous neglect, incarceration time, and institutional behavior can inform policymakers and practitioners on issues related to the treatment of juvenile homicide offenders while confined, and the impact that incarceration time and institutional behavior mean for post-release recidivism risk.

Little research has assessed the recidivism outcomes of juvenile homicide offenders, especially with a larger sample size. None have examined the differences between capital and non-capital homicide offending juveniles. As juvenile jurisdictions continue to retain more homicide offending juveniles (as opposed to their removal to adult systems), there is value to the research to inform policy and practice with such an enriched and problematic groups of offenders.

This study aims to investigate the potential moderating effect of the average annual ambient temperature in 24 European countries on the relationship between criminal thinking (reactive vs proactive) and juvenile offending (violent vs property).

The average annual ambient temperatures found in 24 European countries were correlated with measures of reactive vs proactive criminal thinking and violent vs property offending in 56,518 students (50.4% female) from the second International Self-Reported Delinquency Study. These data were analyzed using a multilevel model comprising three Level 1 (student) predictors – age, sex and family structure – one Level 2 (country) predictor – ambient temperature – and two outcome measures – a reactive: proactive criminal thinking index (RPI) and a violent: property offending index (VPI).

The RPI and VPI correlated significantly with the Level 1 predictors, and the annual ambient temperatures from these 24 countries (Level 2 predictor) correlated positively with RPI and VPI and moderated the effect of reactive criminal thinking (RCT) on violent offending.

These findings indicate that ambient temperature correlates with violent/aggressive offending after the effects of property/non-aggressive offending have been controlled and suggest that ambient temperature may moderate the relationship between RCT and violent offending by affecting the decision-making process.

The contribution made by this study to the literature is that it illustrates how a macro-level influence in the form of average annual temperature can impact on micro-level processes in the form of criminal thinking and violent behavior.

While prior research has established that traumatic brain injury (TBI) is a risk factor for violent offending, there is little understanding of mechanisms that may underpin this relationship. This is problematic, as a better understanding of these mechanisms could facilitate more effective targeting of treatment. This study aims to address these gaps in the extant literature by examining TBI as a predictor of violent offending and test for mediation effects through cognitive constructs of dual systems imbalance and hostility among a sample of justice-involved youth (JIY).

The Pathways to Desistance data were analyzed. The first three waves of this data set comprising the responses of 1,354 JIY were analyzed. Generalized structural equation modeling was used to test for direct and indirect effects of interest. A bootstrap resampling process was used to compute unbiased standard errors for determining the statistical significance of mediation effects.

Lifetime experience of TBI was associated with increased violent offending frequency at follow-up. Hostility significantly mediated this relationship, but dual systems imbalance did not. This indicated that programming focused on reducing hostility among JIY who have experienced TBI could aid in reducing violent recidivism rates.

To the best of the author’s knowledge, this study was the first to identify significant mediation of the relationship between TBI and violent offending through hostility.

Homicide is the most severe form of crime and one that imposes the greatest societal costs. The purpose of this paper is to introduce the homicide circumplex, a set of traits, behaviors, psychological and psychiatric features that are associated with greater homicidal ideation, homicidal social cognitive biases, homicide offending and victimization, and psychopathology that is facilitative of homicide.

Using the data from a near population of federal supervised release offenders from the Midwestern USA, ANOVA, multinomial logistic, Poisson and negative binomial regression models were developed.

Greater homicidal ideation is associated with homicide offending, attempted homicide offending and attempted homicide victimization and predicted by gang activity, alias usage, antisocial personality disorder and intermittent explosive disorder. These behavioral disorders, more extensive criminal careers, African American status and gang activity also exhibited significant associations with dimensions of the homicide circumplex.

Developing behavioral profiles of offenders that exhibit homicidal ideation and behaviors are critical for identifying clients at greatest risk for lethal violence. The homicide circumplex is an innovation toward the goal that requires additional empirical validation.

Previous criminological research has examined the causes and correlates of violent juvenile offending, but failed to explore the developmental taxonomies of crime throughout history. Theoretically, developmental trajectories of offending (i.e. life‐course persistent and adolescence‐limited offenders) should be identifiable irrespective of time and place. This study aims to examine the pre‐offense characteristics of nineteenth‐century American parricide offenders.

Using archival records of two major newspapers (New York Times, Chicago Tribune), the study examines 220 offenders who committed attempted and completed parricides during the latter half of the nineteenth century (1852‐1999).

Results reveal that a small group of adult parricide offenders displayed antisocial tendencies at an early age that persisted into adulthood. These findings are consistent with the developmental literature, thus providing support for identification of pre‐offense characteristics of parricide offenders across historical periods.

The findings reported in this paper are of value to psychologists, historians, and criminologists, for they illuminate the similarities in predictors related to violent behaviors in a small subsection of adult offenders across two centuries.

To review the literature on delinquency and victimization among Caribbean youth, utilizing an ecological perspective.

The review was initiated by a search of peer-reviewed journal articles published between 1993 and 2013, which investigated any or all aspects of juvenile delinquency and/or youth victimization in the Caribbean. Studies were critically reviewed to determine whether they addressed relationships between victimization and delinquency, and the role of the social environment on youth.

The search yielded 23 relevant studies: 64 percent of the studies were conducted exclusively in Jamaica, and more than 75 percent were school based. Half of the articles addressed the links between victimization and delinquency among Caribbean youth but the majority was primarily descriptive.

Only peer-reviewed journals were included, so unpublished country and organizational reports were not covered in the review.

More current and longitudinal studies are needed, which examine the connections between delinquency and victimization, and the experiences in the smaller or less developed Caribbean countries.

The review provides directions for the enhancement of positive youth development policy and practice.

This paper fills the gap in the understanding of the research on delinquency and victimization among Caribbean youth. The ecological framework also adds value to the understanding of the topic by highlighting the importance of various social contexts, such as the family, school, and neighborhood, on youth development in the Caribbean.

Using data from 2009–2016 across 31 states and union territories, this paper investigates determinants of juvenile delinquency in India as well as explores the nature of the complex relationship between economic variables and crime rate.

The paper employs a panel corrected standard error model due to the presence of heteroskedasticity and contemporaneous correlation. Additionally, due to possible feedback effect from independent variables resulting in endogeneity, a two-step generalized method of moments (GMM) is utilized to estimate a system of equations.

Estimation results indicate that macroeconomic factors – GSDP per capita and adult unemployment rate – are significant in explaining the juvenile crime rate in India. Higher poverty rate and percentage of slums were found to increase juvenile crime. This paper also demonstrates the harmful effects that domestic violence has on juvenile delinquency. Finally, education has a deterring impact on crimes relating to juveniles but deterrence factors do not.

While some implications are consistent with those found in previous studies of crime in developed and developing countries, the analysis in this paper also reveals unique results. For example, the adult unemployment rate was negatively correlated with juvenile crime, and an increase in police density exhibits a positive association with the juvenile crime rate. Further analysis of crimes by type (property and violent) reveals additional insights. In addition to that, contrary to hypothesis, by employing GMM estimation, the paper finds no evidence of a negative impact of juvenile delinquency on economic growth.

The minimum age of criminal responsibility (MACR) was set at ten years old in 1963. Since then a deeper appreciation of children's rights and understanding of their unique capabilities and experiences has been gained. This paper seeks to examine the implications of these developments for our understanding of this MACR.

Research is reviewed that illuminates questions about children's culpability, their competence to participate in the criminal justice system (CJS) and the consequences of criminalising them at a young age. Recent understandings of how children's rights apply to the MACR are also summarised.

Developmental science and human rights perspectives are inconsistent with a MACR no younger than 12 years.

The paper is one of the first to extensively apply developmental science research to the MACR. The author finds that although a just and rehabilitative CJS may be achievable in the case of most adolescent defendants, this is an unrealistic goal for younger children who instead require a welfare‐based system that addresses underlying causes of antisocial behaviour, facilitates accountability and ensures child protection.