The National Incident-Based Reporting System (NIBRS) is a
part of the Uniform Crime Reporting Program (UCR), administered by the
Federal Bureau of Investigation (FBI). In the late 1970s, the law
enforcement community called for a thorough evaluative study of the
UCR with the objective of recommending an expanded and enhanced UCR
program to meet law enforcement needs into the 21st century. The FBI
provided its support, formulating a comprehensive redesign
effort. Following a multiyear study and in consultation with local and
state law enforcement executives, new guidelines for the Uniform Crime
Reports were created. The National Incident-Based Reporting System
(NIBRS) is being implemented to meet these guidelines. NIBRS data are
archived at ICPSR as 13 separate data files, which may be merged by
using linkage variables. The data focus on a variety of aspects of a
crime incident. The Batch Header Segment (Parts 1-3) separates and
identifies individual police agencies by Originating Agency Identifier
(ORI). Batch Header information, which is contained on three records
for each ORI, includes agency name, geographic location, and
population of the area. Part 4, Administrative Segment, offers data on
the incident itself (date and time). Each crime incident is delineated
by one administrative segment record. Also provided are Part 5,
Offense Segment (offense type, location, weapon use, and bias
motivation), Part 6, Property Segment (type of property loss, property
description, property value, drug type and quantity), Part 7, Victim
Segment (age, sex, race, ethnicity, and injuries), Part 8, Offender
Segment (age, sex, and race), and Part 9, Arrestee Segment (arrest
date, age, sex, race, and weapon use). Part 10, Group B Arrest Report
Segment, includes arrestee data for Group B crimes. Window Segments
files (Parts 11-13) pertain to incidents for which the complete Group
A Incident Report was not submitted to the FBI. In general, a Window
Segment record will be generated if the incident occurred prior to
January 1 of the previous year or if the incident occurred prior to
when the agency started NIBRS reporting. As with UCR, participation in
NIBRS is voluntary on the part of law enforcement agencies. The data
are not a representative sample of crime in the United States. For
1996, nine states were fully or partially participating in NIBRS.
United States Department of Justice. Federal Bureau of Investigation. National Incident-Based Reporting System, 1996. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2009-07-16. https://doi.org/10.3886/ICPSR02465.v3
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United States Department of Justice. Federal Bureau of Investigation
United States Department of Justice. Office of Justice Programs. Bureau of Justice Statistics