Understanding Crime Reporting National Incident-Based Reporting System (NIBRS) compiles detailed reports on two types of offenses: Group “A” offenses and Group “B” offenses. The two groupings are based on the amount of reporting required for each. Both incidents and arrests are reported for Group “A” offenses. To learn more about the differences between Uniform Crime Reporting and National Incident-Based Reporting System data, please visit https://www.fbi.gov/services/cjis/ucr/nibrs. The following criteria is used to determine whether a crime should be designated as a Group “A” offense: 1. The seriousness or significance of the offense. 2. The frequency or volume of its occurrence. 3. The prevalence of the offense nationwide. 4. The probability of the offense being brought to law enforcement’s attention. 5. The likelihood that law enforcement is the best channel for collecting data regarding the offense. 6. The burden placed on law enforcement in collecting data on the offense. 7. The national statistical validity and usefulness of the collected data. 8. The national UCR Program’s responsibility to make crime data available not only to law enforcement but to others having a legitimate interest in it.
Group “A” offenses are categorized into one of the following three categories: 1) Crimes Against Persons, 2) Crimes Against Property, and 3) Crimes Against Society.
1) Crimes Against Persons = Scores one offense for each victim 2) Crimes Against Property = Scores one offense for each distinct operation
(except Motor Vehicle Theft / one offense is counted per stolen vehicle)
3) Crimes Against Society = Scores one offense for each violation
NIBRS Group A includes the following offenses:
Destruction / Damage / Vandalism of Property
Sex Offenses, Forcible
Drug / Narcotic Offenses
Sex Offenses, Non-forcible
Extortion / Blackmail
Burglary / Breaking and Entering
Kidnapping / Abduction
Larceny / Theft Offenses
Pornography / Obscene Material
Motor Vehicle Theft
Stolen Property Offenses
Weapon Law Violations
Counterfeiting / Forgery
The following information provides details about Crimes Against Persons, Property, and Society.
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