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Part I Crime - Definition
Uniform Crime Reporting (UCR) is a collective effort by city, county, state, tribal, and federal law enforcement agencies to present a nationwide view of crime. Agencies throughout the country participate in the FBI UCR Program and provide monthly summarized reports on ten Part I offenses known to law enforcement and reports on persons arrested. The Part I offenses - murder, rape, robbery, aggravated assault, human trafficking/commercial sex acts, human trafficking/involuntary servitude, burglary, motor vehicle theft, larceny-theft, and arson - are considered indicators of the level of crime occurring within the United States.