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Chapter 4

CCJS 300 Chapter Notes - Chapter 4: Uniform Crime Reports, Voluntary Manslaughter, Motor Vehicle Theft


Department
Criminology and Criminal Justice
Course Code
CCJS 300
Professor
Alan Lehman
Chapter
4

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THE UNIFORM CRIME REPORTS AND SAMPLING
-Alternatives to the experiment as data-gathering strategies include social surveys, participant
observation, case studies, life histories, and unobtrusive measures
-Uniform Crime Reports (UCR): annual FBI publication of official statistics of crimes recorded
by the police
-Also used as a point of comparison for other data-gathering procedures
-Not all crimes committed are discovered
-FBI receives data from local police departments
-Divided into part 1 (index) and part 2 (nonindex) crimes
-Index crimes: consists of two parts: the violent crime index and the property crime index
-Violent crime index: consists of murder and nonnegligent manslaughter, forcible rape, robbery,
and aggravated assault
-Property crime index: consists of burglary, larceny, theft, and motor vehicle theft (arson is listed
but not measured)
-Part 2 crimes are nonindex crimes such as simple assault, vandalism, gambling, and
drunkenness
-Crime rate: number of crimes divided by population, per 100,000 population
-Factors affecting the UCR:
-Represents only a portion of the crime rate
-Affected by better communications, policing, and recording
-Changes in police administration
-Victimless crimes
-Limitations of the crime index: represents only a portion of the crime in a community, also
affected by better policing and better recording of crime and better reporting of crime
-Crime dip: the decline in recorded crime in the 1980’s believed to be caused primarily by
demographic change
EXHIBIT: THE CRIME DIP
-Factors that may have caused drop in index crimes between 93 and 97
-Healthy economy -Compstat and community policing
-Crime prevention programs -Decline in the crack epidemic
-Decline in domestic violence -Abortion
-An incarceration binge
-Hot spots: high-crime areas
UCR REDESIGN
-Redesign of the UCR: changes that have been recommended in the UCR in order to take
advantage of new computer technology
-National Incident-Based Reporting System (NIBRS): the unit-record reporting system used in
the redesigned UCR in which each local law enforcement agency reports on each individual
arrest
EXHIBIT: THE NIBRS
-NIBRS designed to go far beyond the summery-based UCR in terms of information about crime
-UCR counts for 8 offenses, NIBRS counts for 46
-NIBRS makes a distinction between attempted and completed crimes
NIBRS VS. UCR
-UCR summary reporting, NIBRS incident-based reporting
-Expanded offense reporting
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