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This article examines the regulation of First Amendment rights in the National Park Service National Capital Region, with a focus on protests in Washington, DC's national parks. It discusses the historical significance of these parks as spaces for civic engagement and the challenges faced by the National Park Service in balancing the preservation of park resources with the protection of free speech and peaceful assembly. The article outlines the regulations governing demonstrations in the National Capital Parks, including the permit system and restrictions on certain areas. It also highlights the ongoing legal struggles and debates surrounding the exercise of First Amendment rights in these parks, particularly near the White House. The article acknowledges the importance of parks as spaces for democratic expression but also recognizes the tensions between protecting resources and preserving civil liberties. It references the closure of Lafayette Square during the Black Lives Matter protests in 2020 as an example of how security concerns can be used to undermine free expression. Overall, the article provides a comprehensive overview of the regulations and challenges surrounding First Amendment demonstrations in the National Capital Parks. [Extracted from the article]

This article examines the use of 'non-lethal' weapons (NLWs) by liberal democracies to govern dissent in non-war contexts. We argue that NLWs can enable sensorial governance, specifically through sensory repression of dissent. Although accented as non-lethal, NLWs are better conceived of as what we term 'Weapons of Sensory Repression' (WSRs). From tear gas to sound cannons to skunk bombs and more, WSRs target the human senses – visual, auditory, olfactory, proprioceptive – and impose debility not death, thus enabling the use of technologies of repression against dissenting collective assemblies at lower threat thresholds than conventional weapons, arguably disincentivizing alternatives to repression. Since law enforcement in liberal democracies is not explicitly linked to political control and such democracies derive legitimacy from responsiveness to public opinion, it is worth highlighting what WSRs make im/possible in this regard. Empirically, WSRs create and confirm subordinate citizenship in liberal democracies for those who are already de facto lacking in certain rights. Emphasizing that liberal democracies renew themselves through challenges involving mass mobilization, we suggest that the employment of these weapons transforms problems of political change into problems of technological crowd management by dehumanizing those that propose alternative logics for dominant economic, nationalist or racial orders. [ABSTRACT FROM AUTHOR]

This article highlights the neglected political participation of Daoism, Buddhism, and Chinese folk religions in Hong Kong in recent years, focusing on how local communities creatively engage with three deities in particular, namely Wong Tai Sin 黃大仙, Kwan Kung 關公, and Che Kung 車公. Building on C. K. Yang's classic theories of diffused religion, it demonstrates how grassroots religions are diffused with political activism in Hong Kong as an example of what the political scientist and anthropologist James C. Scott refers to as "infrapolitics." These three iconic deities of diffused religions have most famously become protest symbols with creativity, humor, and satire, in contrast with a secular China as well as the official portrayal of the violence of the protest. The transformation of these local deities from tourist attractions to protest symbols epitomizes Hong Kong's emerging identity through the celebration of its own guardian gods and their divine protection. This creative diffusion of grassroots religions as infrapolitics is central to the protesting city's moral landscape and sense of belonging. [ABSTRACT FROM AUTHOR]

Immigration detention centres in Australia have been managed by corporations for the Commonwealth government for the last 25 years. Complaints of officers' violence, including the use of tear gas and batons on detainees, have continued throughout. In recent years, reports suggest that officers tend to use force as a first resort to manage detainees' conduct and routinely handcuff detainees for medical and other appointments outside detention. This article is titled 'the private harms of detention' not because officers' use of force in detention is always hidden, but because few officers have faced criminal prosecution. I argue that flaws in the design and operation of risk assessments unduly heighten the risks posed by detainees. By justifying a greater level of force as reasonable, risk assessments mitigate the potential for officers to be held criminally culpable, and thereby diminish understandings of the seriousness of officers' harmful use of force. The privatised nature of detention and ongoing controversy over the extent of power private detention operators should wield make it important to explore how such actors might influence forums of accountability. [ABSTRACT FROM AUTHOR]

We study the protest behavior of teenagers linked to a student killed by a stray bullet coming from a policeman in Chile. We use administrative data to follow the schoolmates of the victim and those living near the shooting on hundreds of protest and nonprotest days. We find that police violence causes lower protest participation in street rallies but more adherence to test boycotts. These effects appear among schoolmates of the victim and not among students living near the killing. Negative educational consequences suffered by the schoolmates combined with previous results suggest that psychological mechanisms are a plausible explanation. [ABSTRACT FROM AUTHOR]

Despite routine law enforcement use of chemical agents for crowd control, the reproductive health safety profiles of these products are unknown. Moreover, limited evidence has documented a link between such exposures and adverse reproductive health outcomes including abnormal uterine bleeding and potential pregnancy disruption. This cross-sectional study examined reproductive outcomes in adults with uteri exposed to chemical agents used by law enforcement, more commonly known as "tear gas". Participants were recruited through social media in the wake of police violence protests. Of the 1,276 participants included in analysis, 83% reported experiencing at least one of the outcomes of interest, included uterine cramping (69%), early menstrual bleeding (55%), breast tenderness (30%), and delayed menstrual bleeding (19%). Chemical agent exposure was significantly associated with higher odds of an adverse reproductive health outcome, those with 5 days or more of exposure have 2.6 times the odds (CI: 1.61, 4.22) of adverse outcomes and having a perception that one's menstruation may fluctuate according to psychosocial stressors was associated (OR = 1.94, CI: 1.36, 2.79) with a higher odds of an adverse reproductive health experience. These findings suggest a potential relationship between exposure to chemical agents and adverse reproductive health outcomes. Given the pervasive use of these chemical agents and their potential for reproductive health harm, further investigation into the safety of these products and their impacts on individual and community health is warranted urgently. [ABSTRACT FROM AUTHOR]

ABSTRACT The effects of the Oleoresin Capsicum (OC) spray used by police forces to control civil disturbances are widely known and extensively described in numerous scientific articles regarding humans. However, with the advent of animal welfare concepts, the question arises as to whether horses exposed to OC in such events would experience the same effects described in humans. The objective of this study was to determine if Mounted Police horses exposed to OC exhibit the same symptoms described in humans. In this study, 18 healthy horses from the Military Police of Paraná, without a history of respiratory disease, were led through a cloud of gas created using six pepper spray dispensers. Physiological parameters including respiratory rate, heart rate, rectal temperature, and conjunctival color were evaluated 24 hours before exposure, 30 minutes, and 24 hours after exposure. Blood samples were collected for a complete blood count and blood gas analysis, and samples of the ocular mucosa were obtained using sterile swabs. Analysis of these parameters did not reveal effects analogous to those described in humans. The absence of ocular changes is directly correlated with the primary decontamination method in humans, which involves running with open eyes to allow the air to act against them. In the case of horses, the movement of their eyes while walking at an average speed of 6km/h in a walk and 18km/h in a trot generates airflow throughout the entire body of the animal. Additionally, pieces of tack and parts of the rider’s body form a barrier against the action of the OC agent by reducing the contact area. After 30 minutes and 24 hours post-exposure, no aggressive effects like those found in humans in the airways and ocular mucosa were observed.

We use bootstrap data envelopment analysis, adjusting for endogeneity, to examine police efficiency in detecting crime in Hong Kong. We address the following: (i) is there a correlation between the detection of crime and triad influence? (ii) does the level of triad influence affect the efficiency in translating inputs (police strength) into outputs (crime detection)? and (iii) how can the allocation of policing resources be adjusted to improve crime detection? We find that nighty-eight percent of Hong Kong police districts in our sample were found to be inefficient in the detection of crime. Variation was found across districts regarding the detection of violent, property and other crimes. Most inefficiencies and potential improvements in the detection of crime were found in the categories violent and other crimes. We demonstrate how less efficient police districts can modify police resourcing decisions to better detect certain crime types while maintaining current levels of resourcing. Finally, we highlight how the method we outline improves efficiency estimation by adjusting for endogeneity and measuring the conditional efficiency of each district (i.e. the efficiency of crime detection taking the instrumental variables (e.g. influence of triads) into consideration). The use of frontier models to assist in evaluating policing performance can lead to improved efficiency, transparency, and accountability in law enforcement, ultimately resulting in better public safety outcomes and publicly funded resource allocation. [ABSTRACT FROM AUTHOR]

In the Hong Kong government's latest effort to address land and housing shortages in the city, a task force was appointed to forge a consensus among the public as to how the city can increase its land supply. Using this case as an example and drawing on the literature of post-politics, this paper explores how the narrative of consensus has been deployed by state and non-state interests over the question of land supply to legitimise positions and to restrict the space of debate. This paper contributes to the literature by identifying post-politics' relevance and limitations when applied to non-Western contexts. [ABSTRACT FROM AUTHOR]

Nowadays, public opinion toward the National Police's (POLRI) image is deteriorating. With the explosive growth of social media in Indonesia, opinions on POLRI-related present-day issues on Twitter easily go viral, influencing sentiments among individuals regarding Indonesian law enforcement. Negative sentiments, at some point, may lead to the undervaluation of law enforcement and the failure of the legal system. Therefore, sentiment analysis on Twitter is essential for gaining considerable insights into public views and attitudes on POLRI-related topics. This research is to determine the most effective approaches between Lexicon, a natural language processing method that relies on a corpus, and machine learning, which contains Naive-Bayes, Support Vector Machine (SVM), Random Forest, and Logistic Regression (LR). These approaches have differences in classification types: probability and linearity. To organize the research process, the Cross- Industry Standard Process for Data Mining (CRISP-DM) Framework, which comprises five data mining activities, was employed. The confusion matrix was used as the model performance measurement, with Naive-Bayes emerging as the best among all the tested models. Additionally, the subjects related to POLRI were developed using topic modeling, generating three topics: street police or police station, police acknowledgment in neighborhood activities, and the activity of contacting the police. [ABSTRACT FROM AUTHOR]

On October 1, 2022, the Kanjuruhan Football Tragedy in Malang, Indonesia, marked a poignant event, drawing significant media coverage, particularly by The New York Times. This incident, involving the police, supporters, and the government, unfolded amidst complex dynamics of action and response. This paper aims to dissect the media portrayal of these entities, examining the nuances of representation in news narratives. Adopting Van Leeuwen's (2008) Critical Discourse Analysis framework, the study employs a qualitative methodology to analyze how Social Actors are depicted through inclusion and exclusion strategies, alongside the portrayal of Social Actions through action and reaction approaches. The analysis of The New York Times' coverage reveals that the police were frequently portrayed as the enforcers of security, often resorting to measures like firing tear gas, while the supporters were depicted as reacting to these measures and significantly impacted by the tragedy. The government was represented as the overarching authority, responsible for managing the situation and its aftermath. This study uncovers a multi-layered narrative in the news discourse, highlighting the complexity of representing different actors in high-impact events. It concludes that media narratives in such scenarios are intricate, often shaped by the interplay of various actors' roles and actions. The findings emphasize the need for comprehensive discourse analysis in understanding media representations, suggesting future research should extend the scope of analysis by integrating broader elements from Van Leeuwen's framework and other Critical Discourse Analysis theories to gain deeper insights into media portrayals in similar situations. [ABSTRACT FROM AUTHOR]

This paper explores the development and international transfer of tear gas dispersers between the United States and South Korea during the 1960s. It outlines how these devices, originally justified as humanitarian tools for war and riot control, increasingly facilitated large-scale and violent suppression. The focus is particularly on the development and effects of “Pepper Fog” during the U.S. civil rights movements and the Vietnam War, as well as its adoption by the South Korean police to be utilized against student demonstrations. The transnational movement of Pepper Fog reveals the process through which tear gas technology was developed and deployed in different parts of the world. In 1968, the deployment of Pepper Fog in South Korea was facilitated by American commercial loans and police aid, becoming a critical tool against the democratic movements dominated by student protests during the 1960s and 70s. Despite its intended humane aspects, the actual use of such devices often resulted in injuries due to indiscriminate deployment in confined spaces like buses and buildings. The emergence of gas dispersing vehicles eventually replaced Pepper Fog at protest sites, but the term “Pepper Fog car” became a colloquial symbol of mass gas dispersal and the inherent violence in crowd control. [ABSTRACT FROM AUTHOR]

The development and validation of an original aluminum bicycle crank arm design is presented with an emphasis on design for manufacturing and cost-efficiency via Industry 4.0 principles. The facets of Industry 4.0 that were utilized in this work include the development of a predictive technical cost model, real-time data acquisition from the processing equipment, as well as intentional design for manufacturability. Two crank arm designs were manufactured and tested in a custom mechanical testing jig. The adjustable apparatus was used to test the crank arms in multiple loading cases realistic to those experienced during a typical service life, in addition to testing the load case defined by the International Organization for Standardization (ISO). Metrology was then conducted of all crank arms to assess the part deformation after mechanical testing. A predictive technical cost model was also developed of the entire design and manufacturing process that allows for factors such as cycle time, energy consumption, and production efficiency to be utilized to maximize sustainability in the manufacturing process. The crank arms presented met the ISO specifications for crank arm safety, and showed comparable performance to a commercial aluminum crank arm. This successful product development cycle can be utilized in future research to adopt different material systems into the process for increased sustainability or performance or both, as well as to serve as a demonstrator of the implementation of next-generation manufacturing principles. [ABSTRACT FROM AUTHOR]

In recent years, the police intervention strategy "Hot spots policing" has been effective in combating crimes. However, as cities are under the intense pressure of increasing crime and scarce police resources, police patrols are expected to target more accurately at finer geographic units rather than ballpark "hot spot" areas. This study aims to develop an algorithm using geographic information to detect crime patterns at street level, the so-called "hot street", to further assist the Criminal Investigation Department (CID) in capturing crime change and transitive moments efficiently. The algorithm applies Kernel Density Estimation (KDE) technique onto street networks, rather than traditional areal units, in one case study borough in London; it then maps the detected crime "hot streets" by crime type. It was found that the algorithm could successfully generate "hot street" maps for Law Enforcement Agencies (LEAs), enabling more effective allocation of police patrolling; and bear enough resilience itself for the Strategic Crime Analysis (SCA) team's sustainable utilization, by either updating the inputs with latest data or modifying the model parameters (i.e. the kernel function, and the range of spillover). Moreover, this study explores contextual characteristics of crime "hot streets" by applying various regression models, in recognition of the best fitted Geographically Weighted Regression (GWR) model, encompassing eight significant contextual factors with their varied effects on crimes at different streets. Having discussed the impact of lockdown on crime rates, it was apparent that the land-use driven mobility change during lockdown was a fundamental reason for changes in crime. Overall, these research findings have provided evidence and practical suggestions for crime prevention to local governors and policy practitioners, through more optimal urban planning (e.g. Low Traffic Neighborhoods), proactive policing (e.g. in the listed top 10 "Hot Streets" of crime), publicizing of laws and regulations, and installations of security infrastructures (e.g. CCTV cameras and traffic signals). [ABSTRACT FROM AUTHOR]

The aim of this study was to find the effect of holographic sight (HS) on short-distance shooting accuracy and precision during static and high-intensity dynamic actions. Twenty policemen (31 ± 2.2 years, 85.6 ± 6.1 kg, and 181.9 ± 4.4 cm) performed five shots in the 10-s limit under the static condition for 20 m and dynamic condition 15-5 m, and after 4 × 10 m sprint action, both with fixed sight (FS) and HS. The analysis of variance post hoc test revealed that HSstatic had higher shouting accuracy than FSstatic, FSdynamic, and HSdynamic (p = .03, p = .0001, and p = .0001, respectively) and FSdynamic had lower precision than FSstatic, HSstatic, and HSdynamic (p = .0003, p = .0001, and p = .01, respectively) in vertical sway. The HS for rifles has improved the accuracy of static shooting and vertical sway precision of dynamic shooting. [ABSTRACT FROM AUTHOR]

Based on Roscoe Pound's opinion, the notion of criminal responsibility is a person's obligation to pay retribution that will be received by the perpetrator from someone who has been harmed (the victim). Criminal liability is a person's responsibility for the crimes he commits. The purpose of criminal liability is to determine whether a person who has committed a crime can be held accountable or not. This article will discuss criminal liability for police negligence for the act of shooting tear gas at the Kanjuruhan stadium, where the negligence of the police was due to a lack of caution and carelessness in acting using force in police actions. Namely not being careful and acting without considering the risks in using chemical weapons in the form of tear gas. The use of tear gas should be guided by the principles stipulated in the Police Chief Regulation No. 1 of 2009 concerning the Use of Force in Police Actions. However, in practice the police were negligent and ignored the risks of using tear gas at the Kanjuruhan stadium. The form of the mistake is acting without considering the dangers and threats, and not predicting the possible consequences that will occur. Because his negligence in using tear gas at the Kanjuruhan Stadium had a detrimental impact on other people and on the Indonesian National Police, namely causing deaths and injuries. Due to the Kanjuruhan incident, many of the victims' families have asked for justice for the police's actions in the tear gas shooting at the Kanjuruhan stadium, so that the police actions in the tear gas shooting are considered to be the triggers for the deaths and injuries that need to be held criminally accountable. [ABSTRACT FROM AUTHOR]