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Crime Mapping
Crime mapping is used by analysts in law enforcement agency, law enforcement agencies to map, visualize, and analyze crime incident patterns. It is a key component of crime analysis and the CompStat policing strategy. Mapping crime, using Geographic information system, Geographic Information Systems (GIS), allows crime analysts to identify Crime hotspots, crime hot spots, along with other trends and patterns. Overview Using GIS, crime analysts can overlay other datasets such as census demographics, locations of pawnbroker, pawn shops, schools, etc., to better understand the underlying causes of crime and help police, law enforcement administrators to devise strategies to deal with the problem. GIS is also useful for law enforcement operations, such as allocating police officers and dispatching to 9-1-1, emergencies. Underlying theories that help explain spatial behavior of criminals include environmental criminology, which was devised in the 1980s by Patricia and Paul Branting ...
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National Institute Of Justice
The National Institute of Justice (NIJ) is the research, development, and evaluation agency of the United States Department of Justice (DOJ). NIJ, along with the Bureau of Justice Statistics (BJS), Bureau of Justice Assistance (BJA), Office of Juvenile Justice and Delinquency Prevention (OJJDP), Office for Victims of Crime (OVC), and other program offices, comprise the DOJ's Office of Justice Programs (OJP). History The National Institute of Law Enforcement and Criminal Justice was established on October 21, 1968, under the Omnibus Crime Control and Safe Streets Act of 1968, as a component of the Law Enforcement Assistance Administration (LEAA). In 1978, it was renamed as the National Institute of Justice. Some functions of the LEAA were absorbed by NIJ on December 27, 1979, with passage of the Justice System Improvement Act of 1979. The act, which amended the Omnibus Crime Control and Safe Streets Act of 1968, also led to creation of the Bureau of Justice Statistics ...
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Recidivism
Recidivism (; from 'recurring', derived from 'again' and 'to fall') is the act of a person repeating an undesirable behavior after they have experienced negative consequences of that behavior, or have been trained to Extinction (psychology), extinguish it. Recidivism is also used to refer to the percentage of former prisoners who are rearrested for a similar offense. The term is frequently used in conjunction with criminal behavior and substance abuse. ''Recidivism'' is a synonym of ''relapse'', which is more commonly used in medicine and in the disease model of addiction. Causes A 2011 study found that harsh prison conditions, including isolation, tended to increase recidivism, though none of these effects were statistically significant. Various researchers have noted that Loss of rights due to felony conviction, prisoners are stripped of civil rights and are reluctantly absorbed into communities – which further increases their alienation and isolation. Other c ...
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Prison
A prison, also known as a jail, gaol, penitentiary, detention center, correction center, correctional facility, or remand center, is a facility where Prisoner, people are Imprisonment, imprisoned under the authority of the State (polity), state, usually as punishment for various crimes. They may also be used to house those awaiting trial (pre-trial detention). Prisons are most commonly used within a criminal justice, criminal-justice system by authorities: people charged with crimes may be Remand (detention), imprisoned until their trial; and those who have pleaded or been found Guilt (law), guilty of crimes at trial may be Sentence (law), sentenced to a specified period of imprisonment. Prisons can also be used as a tool for political repression by authoritarianism, authoritarian regimes who Political prisoner, detain perceived opponents for political crimes, often without a fair trial or due process; this use is illegal under most forms of international law governing fair admi ...
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Public Policy
Public policy is an institutionalized proposal or a Group decision-making, decided set of elements like laws, regulations, guidelines, and actions to Problem solving, solve or address relevant and problematic social issues, guided by a conception and often implemented by programs. These policies govern and include various aspects of life such as education, health care, employment, finance, economics, transportation, and all over elements of society. The implementation of public policy is known as public administration. Public policy can be considered the sum of a government's direct and indirect activities and has been conceptualized in a variety of ways. They are created and/or enacted on behalf of the public, typically by a government. Sometimes they are made by Non-state actors or are made in Co-production (public services), co-production with communities or citizens, which can include potential experts, scientists, engineers and stakeholders or scientific data, or sometimes u ...
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Community Policing
Community policing is a philosophy and organizational strategy whereby law enforcement cooperates with community groups and citizens in producing safety and security. The theory underlying community policing is that it makes citizens more likely to cooperate with police by changing public perceptions of both the intention and capacity of the police. The theory is also that it changes attitudes of police officers and increases accountability. Scholarship has raised questions about whether community policing leads to improved outcomes. History Values of community policing have been linked to Sir Robert Peel's 1829 Peelian Principles, most notably John Alderson, the former Chief Constable of Devon and Cornwall Police. Peel's ideas included that the police needed to seek the cooperation of the public and prioritize crime prevention. The term "community policing" came into use in the late 20th century, and then only as a response to a preceding philosophy of police organization. I ...
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Problem-oriented Policing
Problem-oriented policing (POP), coined by University of Wisconsin–Madison professor Herman Goldstein, is a policing strategy that involves the identification and analysis of specific crime and disorder problems, in order to develop effective response strategies. POP requires police to identify and target underlying problems that can lead to crime. Goldstein suggested it as an improvement on the reactive, incident-driven "standard model of policing". Goldstein's 1979 model was expanded in 1987 by John E. Eck and William Spelman into the Scanning, Analysis, Response, and Assessment (SARA) model for problem-solving.Center for Problem Oriented Policing
- What is POP?
This strategy places more emphasis on

Intelligence-led Policing
Intelligence-led policing (ILP) is a policing model built around the assessment and management of risk.Willem de Lint, “Intelligence in Policing and Security: Reflections on Scholarship,” Policing & Society, Vol. 16, no. 1 (March 2006): 1-6. Intelligence officers serve as guides to operations, rather than operations guiding intelligence.Royal Canadian Mounted Police“Intelligence-led policing: A Definition,” RCMP Criminal Intelligence Program. Retrieved 13 June 2007. Calls for intelligence-led policing originated in the 1990s, both in Britain and in the United States. In the U.S., Mark Riebling's 1994 book Wedge - The Secret War between the FBI and CIA spotlighted the conflict between law enforcement and intelligence, and urged cops to become "more like spies." Intelligence-led policing gained considerable momentum globally following the September 11 terrorist attacks on the United States. It is now advocated by the leading police associations in North America and the UK. ...
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New York City
New York, often called New York City (NYC), is the most populous city in the United States, located at the southern tip of New York State on one of the world's largest natural harbors. The city comprises five boroughs, each coextensive with a respective county. The city is the geographical and demographic center of both the Northeast megalopolis and the New York metropolitan area, the largest metropolitan area in the United States by both population and urban area. New York is a global center of finance and commerce, culture, technology, entertainment and media, academics, and scientific output, the arts and fashion, and, as home to the headquarters of the United Nations, international diplomacy. With an estimated population in 2024 of 8,478,072 distributed over , the city is the most densely populated major city in the United States. New York City has more than double the population of Los Angeles, the nation's second-most populous city.
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Geographic Profiling
Geographic profiling is a criminal investigative methodology that analyzes the locations of a connected series of crimes to determine the most probable area of offender residence. By incorporating both qualitative and quantitative methods, it assists in understanding spatial behaviour of an offender and focusing the investigation to a smaller area of the community. Typically used in cases of serial murder or rape (but also arson, bombing, robbery, terrorism and other crimes), the technique helps police detectives prioritize information in large-scale major crime investigations that often involve hundreds or thousands of suspects and tips. In addition to determining the offender's most likely area of residence, an understanding of the spatial pattern of a crime series and the characteristics of the crime sites can tell investigators other useful information, such as whether the crime was opportunistic and the degree of offender familiarity with the crime location. This is based on ...
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New York City Police Department
The City of New York Police Department, also referred to as New York City Police Department (NYPD), is the primary law enforcement agency within New York City. Established on May 23, 1845, the NYPD is the largest, and one of the oldest, municipal police departments in the United States. The NYPD is headquartered at 1 Police Plaza, located on Park Row in Lower Manhattan near City Hall. The NYPD's regulations are compiled in title 38 of the '' New York City Rules''. Dedicated units of the NYPD include the Emergency Service Unit, K-9, harbor patrol, highway patrol, air support, bomb squad, counterterrorism, criminal intelligence, anti-organized crime, narcotics, mounted patrol, public transportation, and public housing units. The NYPD employs over 40,000 people, including more than 30,000 uniformed officers as of September 2023. According to the official CompStat database, the NYPD responded to nearly 500,000 reports of crime and made over 200,000 arrests during 2 ...
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Northwestern University
Northwestern University (NU) is a Private university, private research university in Evanston, Illinois, United States. Established in 1851 to serve the historic Northwest Territory, it is the oldest University charter, chartered university in Illinois. Chartered by the Illinois General Assembly in 1851, Northwestern was initially affiliated with the Methodist Episcopal Church but later became non-sectarian. By 1900, the university was the third-largest Higher education in the United States, university in the United States, after University of Michigan, Michigan and Harvard University, Harvard. Northwestern became a founding member of the Big Ten Conference in 1896 and joined the Association of American Universities in 1917. Northwestern is composed of eleven undergraduate, graduate, and professional schools in the fields of Kellogg School of Management, management, Pritzker School of Law, law, Medill School of Journalism, journalism, McCormick School of Engineering, enginee ...
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