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The Uniform Crime Reporting (UCR) program compiles official data on crime in the United States, published by the Federal Bureau of Investigation (FBI). UCR is "a nationwide, cooperative statistical effort of nearly 18,000 city, university and college, county, state, tribal, and federal law enforcement agencies voluntarily reporting data on crimes brought to their attention".
Over the years, the uniform crime report developed into a broad utility for summary-based reporting of crimes. By the late 1970s, the law enforcement community saw the need for a more detailed crime reporting program that would meet the needs of law enforcement agencies in the 21st century. Testing for the new NIBRS system began in South Carolina.
Homicide clearance rate in the USA has been decreasing from 93% in 1962 to 54% in 2020. [2] Some U.S. police forces have been criticized for overuse of "exceptional clearance", which is intended to classify as "cleared" cases where probable cause to arrest a suspect exists, but police are unable to do so for reasons outside their control (such as death or incarceration in a foreign country).
The manual instructs law enforcement officers on the proper method for filling out the monthly Uniform Crime Reports returns for police records and statistics. The 1984 revision of the Uniform Crime Reporting Handbook. There are many differences between Uniform Crime Reporting and other measures of crime rates and victimization. [1]
The following table of United States cities by crime rate is based on Federal Bureau of Investigation Uniform Crime Reports (UCR) statistics from 2019 for the 100 most populous cities in America that have reported data to the FBI UCR system. [1] The population numbers are based on U.S. Census estimates for the year end.
Comparisons between official statistics, such as the Uniform Crime Reports and the National Incident-Based Reporting System, and victim studies, such as the National Crime Victimization Survey (NCVS), attempt to provide an insight into the amount of unreported crime. [4] [5] Self-report studies are also used in comparison with official ...
Supplementary Homicide Reports (abbreviated SHR) is a database of homicides in the United States maintained by the Federal Bureau of Investigation (FBI) as part of its Uniform Crime Reports program. The database consists of detailed reports of homicides reported to the FBI by local law enforcement agencies in 49 states and the District of ...
The Bureau of Justice Statistics (BJS) of the U.S. Department of Justice is the principal federal agency responsible for measuring crime, criminal victimization, criminal offenders, victims of crime, correlates of crime, and the operation of criminal and civil justice systems at the federal, state, tribal, and local levels.