As "the scientific study of methods to promote the systematic uptake of research findings and other evidence-based practices into routine practice," implementation science (IS) offers the potential to translate effective innovations in policing across agencies and local contexts with fidelity and sustainability in support of a commitment to evidence-based policing (EBP). Despite this potential, and its widespread use in adjacent fields facing similar challenges, implementation science remains almost completely unstudied and unutilized in police settings. To fill these gaps in research and practice, this paper provides an orientation to IS for police researchers and practitioners. It recounts EBP's historical roots in an evidence-based approach to health care, demonstrates the commonalities that make IS as natural to policing as medicine, and surveys the existing literature on the employment of IS in policing. It adapts a conceptual model of IS to policing, presents two well-developed frameworks, and introduces three types of hybrid implementation/effectiveness trials suitable for use in dynamic police settings. It then provides illustrative cases in policing where the use of IS would be apt, and highlights the importance of the de-implementation of substandard or problematic practices as a key but often overlooked aspect of IS. It concludes by discussing how police practices that fully embrace evidence will nonetheless be guided by contestable values and norms, and how IS provides a way to address this concern. The paper provides research and practice agendas for integrating IS into EBP as police seek to adopt evidence-informed practices that deliver public safety, respect rights, and increase community satisfaction and trust.

Although work stress, turnover intention, and work-family conflicts among police officers have been extensively investigated, no studies have explored these issues simultaneously under the context of the coronavirus pandemic. Clearly, both work and family domains have been drastically affected by this global health crisis, and it is likely that each domain has a distinctive impact on work outcomes. Using survey data based on a representative random sample of 335 police officers in Hong Kong, this study examines the impacts of resource losses and gains across family and work domains on occupational stress and turnover intention amid the pandemic. A multiple regression indicates that both family-to-work and work-to-family conflicts lead to work stress and turnover intention among police officers. Among officers, supervisory support is negatively associated with turnover intention and moderates the impact of work-to-family conflicts on turnover intention. Finally, measures to mitigate work stress during public health disasters are discussed.

The present study examined associations of effort-reward imbalance (ERI) and over-commitment at work with burnout among police officers using data from 200 (mean age = 46 years, 29% women) officers enrolled in the Buffalo Cardio-Metabolic Occupational Police Stress Study. ERI and overcommitment were assessed using Siegrist's "effort/reward" questionnaire. The Maslach Burnout Inventory-General Survey was used to assess burnout and its three subscales (exhaustion, cynicism, and professional efficacy). Analysis of covariance was used to examine mean values of burnout scores across quartiles of ERI and overcommitment. Linear regression was used to test for linear trend. ERI and overcommitment were positively and significantly associated with cynicism and exhaustion (trend value < .001), while professional efficacy showed an inverse association with overcommitment ( = .026). Cynicism and exhaustion scores were significantly higher in officers who reported both overcommitment and ERI compared with their counterparts ( < .001). The results suggest that ERI and overcommitment at work are determinants of higher cynicism and exhaustion. The inverse association of overcommitment with professional efficacy (an indicator of engagement at work) suggests that extreme involvement in work may negatively affect efficacy. Overcommitment may be related to a need for approval and inability of officers to withdraw from work, even in an off-duty status. Police agencies should consider organizational remedies to maintain acceptable levels of commitment by officers. In addition, there is a need to monitor and improve effort-reward imbalance experienced by officers.

Although improving police responses to mental health crises has received significant policy attention, most encounters between police and persons with mental illnesses do not involve major crimes or violence, nor do they rise to the level of requiring emergency apprehension. Here, we report on field observations of police officers handling mental health-related encounters in Chicago. Findings confirm that these encounters often occur in the "gray zone", where the problems at hand do not call for formal or legalistic interventions including arrest and emergency apprehension. In examining how police resolved such situations, we observed three core features of police work: (1) accepting temporary solutions to chronic vulnerability; (2) using local knowledge to guide decision-making; and (3) negotiating peace with complainants and call subjects. Study findings imply the need to advance field-based studies using systematic social observations of gray zone decision-making within and across distinct geographic and place-based contexts. Policy implications for supporting police interventions, including place-based enhancements of gray zone resources, are also discussed.

An overwhelming body of literature points to a relationship between experiencing adversity during childhood and later violence in adulthood. This study addresses a gap in existing research by testing of the impact of four prior childhood adversities on resistant behaviors toward law enforcement officers. A four-level ordinal dependent variable measuring passive resistance, verbal resistance, police action resistance, and physical resistance was created using data from the nationally representative, 2004 Survey of Inmates in State and Federal Correctional Facilities. A generalized ordinal logistic regression model tested the effects of childhood adversities on resistant behaviors toward law enforcement officers. Physical victimization during childhood and adulthood predicted resistant behaviors toward law enforcement officers above and beyond the effects of prior victimization during only childhood and only adulthood. This study found a strong association between prior physical victimization, foster care involvement, and resistant behaviors after adjusting for demographic, situational, and criminal background variables.