Expenditure and Employment for the Criminal
Justice System These data collections present
public expenditure and employment data pertaining
to criminal justice activities in the United States.
Information on employment, payroll, and
expenditures is provided for police, courts,
prosecutors' offices, and corrections agencies.
Specific variables include identification of each
government, number of full- and part-time
employees, level of full- and part-time payroll,
current expenditures, capital outlay, and
intergovernmental expenditures. Two different data
collections are included: the Criminal Justice
Expenditure and Employment Extracts and the
Criminal Justice Expenditure and Employment
Survey. The CJEE Extracts have been extracted
from the Census Bureau's Annual Government
Finance Survey and Annual Survey of Public
Employment since 1982. The CJEE Survey collected
detailed annual data for 1971 to 1979, and for
1985, 1988, and 1990, but has been discontinued.
The CJEE Extracts data are similar to but not
statistically comparable to the CJEE Survey data.
Homicide - This Homicide Data Resource Guide was
designed by the National Archive of Criminal Justice
Data (NACJD) staff to provide easy access to data
collections related to homicide. For instance, it
provides quick links to certain types of homicide
studies and links to studies available for online data
analysis. This resource guide also provides useful
information for secondary analysis of NACJD data
collections, such as customized help for complex
data collections, information on how to obtain
restricted access data, and links to funding
opportunities and publications.
Law Enforcement Management and
Administrative Statistics - These surveys were
first collected in 1987 and are administered
approximately every three years. They present
information on law enforcement agencies in the
United States: state police, county police, special
police (state and local), municipal police, and
sheriff's departments. Variables include size of the
population served by the police or sheriff's
department, levels of employment and spending,
various functions of the department, average salary
levels for uniformed officers, policies and programs,
and other matters related to management and
National Incident-Based Reporting System -
The National Incident Based Reporting System
(NIBRS) is an incident-based reporting system for
crimes known to the police. For each crime incident
coming to the attention of law enforcement, a
variety of data are collected about the incident.
These data include the nature and types of specific
offenses in the incident, characteristics recovered,
and characteristics of persons arrested in
connection with a crime incident.

Incident-based data provide an extremely large
amount of information about crime. The information
is also organized in complex ways, reflecting the
many different aspects of a crime incident.
Therefore this Web site provides a Resource Guide
for learning about, accessing and using NIBRS data.
National Crime Victimization Survey - The
National Crime Victimization Survey (NCVS) series,
previously called the National Crime Survey (NCS),
has been collecting data on personal and household
victimization since 1973. An ongoing survey of a
nationally representative sample of residential
addresses, the NCVS is the primary source of
information on the characteristics of criminal
victimization and on the number and types of
crimes not reported to law enforcement authorities.
It provides the largest national forum for victims to
describe the impact of crime and characteristics of
violent offenders. Twice each year, data are
obtained from a nationally representative sample of
roughly 49,000 households comprising about
100,000 persons on the frequency, characteristics,
and consequences of criminal victimization in the
United States. The survey is administered by the
U.S. Census Bureau (under the U.S. Department of
Commerce) on behalf of the Bureau of Justice
Statistics (under the U.S. Department of Justice).

The NCVS was designed with four primary
objectives: (1) to develop detailed information
about the victims and consequences of crime, (2) to
estimate the number and types of crimes not
reported to the police, (3) to provide uniform
measures of selected types of crimes, and (4) to
permit comparisons over time and types of areas.
The survey categorizes crimes as "personal" or
"property." Personal crimes cover rape and sexual
attack, robbery, aggravated and simple assault, and
purse-snatching/ pocket-picking, while property
crimes cover burglary, theft, motor vehicle theft,
and vandalism. The data from the NCVS survey are
particularly useful for calculating crime rates, both
aggregated and disaggregated, and for determining
changes in crime rates from year to year.
National Archive
Criminal Justice
Capital Punishment in the United States -
Capital Punishment in the United States provides
annual data on prisoners under a sentence of
death, as well as those who had their sentences
commuted or vacated and prisoners who were
executed. This study examines basic
sociodemographic classifications level of education,
and State and region of incarceration. Criminal
history information includes prior felony convictions
and prior convictions for criminal homicide and the
legal status at the time of the capital offense.
Additional information is provided on those inmates
removed from death row by year end.
Copyright © 2019  Barry M. Baker  

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Geographical Information Systems - In 1997
National Institute of Justice (NIJ) established the
Mapping and Analysis for Public Safety (MAPS)
Program, formerly known as the Crime Mapping
Research Center (CMRC) for the the promotion,
research, evaluation, development, and
dissemination of Geographic then, NIJ has
sponsored the development of GIS resources,
conducted a survey on the usage of GIS in law
enforcement, and funded research projects that
utilize GIS.