BJS: Bureau of Justice Statistics

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Bureau of Justice Statistics (BJS)
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Home  | Data Collections: Law Enforcement
Data Collections: Law Enforcement

Arrest-Related Deaths (ARD)
The Arrest-Related Deaths (ARD) component of Mortality In Correctional Institutions (MCI) (Formerly Deaths In Custody Reporting Program (DCRP) is a national census of all manners of arrest-related deaths and includes all civilian deaths that occurred during, or shortly after, state or local law enforcement personnel engaged in an arrest or restraint process.

Census of Federal Law Enforcement Officers (FLEO)
Collects data from all federal law enforcement agencies with arrest and firearms authority.

Census of Law Enforcement Aviation Units (CLEAU)
Collects data from all law enforcement agencies with 100 or more sworn officers that operate a fixed-wing aircraft or helicopter. Data collected includes the locations, available assets and range, personnel, expenditures, and functions of these units, as well as information related to the capabilities and resources that each could provide in the case of a national emergency.

Census of Law Enforcement Training Academies (CLETA)
Collects data on the number and types of staff employed at state and local law enforcement training facilities, budgets, sources of funds, number of officers trained, and policies and practices. In addition to basic organizational data, the survey collects information on training curriculum issues critical to current law enforcement policy development.

Census of Medical Examiner and Coroner (ME/C) Offices
Provides data on the personnel, budgets, and workload of medical examiner and coroner offices by type of office and size of jurisdiction. The census gathers information on the number of unidentified human decedents handled by these offices, record-keeping practices, and use of national databases for unidentified remains.

Census of Publicly Funded Forensic Crime Laboratories
Provides a comprehensive look at the forensic services provided by federal, state, and local crime labs across the nation and the resources devoted to completing the work.

Census of State and Local Law Enforcement Agencies (CSLLEA)
Provides data on all state and local law enforcement agencies operating nationwide. Data collected include the number of sworn and civilian personnel by state and type of agency, and functions performed by each agency.

Census of Tribal Justice Agencies in American Indian and Alaska Native Tribal Jurisdictions (CTJA02)
Provides detailed information gathered on tribal law enforcement agencies, tribal courts and services, and criminal record systems from the Census of Tribal Justice Agencies in American Indian Jurisdictions.

City-Level Survey of Crime Victimization and Citizen Attitudes
The Bureau Justice Statistics in a joint effort with the Office of Community Oriented Policing Services (COPS,) conducted victimization surveys in 12 selected cities. The standard National Crime Victimization Survey (NCVS) instrument was used with questions about citizen perceptions of community policing and neighborhood issues.

Federal Law Enforcement Agency Deaths in Custody Reporting Program (FDCRP)
Collects data, as required by the Death in Custody Reporting Act (DICRA) of 2013 (P.L. 113-242).

Human Trafficking Reporting System (HTRS)
The Human Trafficking Reporting System (HTRS) was developed in 2007 to collect data on alleged human trafficking incidents from state and local law enforcement agencies.

Law Enforcement Management and Administrative Statistics (LEMAS)
Beginning in 2016, the Law Enforcement Management and Administrative Statistics (LEMAS) survey adopted a core and supplement structure.

National Incident-Based Reporting System (NIBRS)
Since 1929, the Uniform Crime Reporting (UCR) program has collected information about crimes known to the law enforcement and arrests.

National Survey of DNA Crime Laboratories
Provides national data on publicly operated forensic crime laboratories that perform DNA analyses. Data are collected on personnel, budgets, workloads, equipment, procedures, policies, and data processing. BJS first surveyed forensic crime laboratories in 1998, focusing solely on agencies that performed DNA analysis. The National Institute of Justice (NIJ) funded the 1998 study as part of a DNA Laboratory Improvement Program.

Police-Public Contact Survey (PPCS)
Provides detailed information on the characteristics of persons who had some type of contact with police during the year, including those who contacted the police to report a crime or were pulled over in a traffic stop. The PPCS interviews a nationally representative sample of residents age 16 or older as a supplement to the National Crime Victimization Survey (NCVS). The survey enables BJS to examine the perceptions of police behavior and response during these encounters.

State Police Traffic Stop Data Collection Procedures
Collected data from state law enforcement agencies with traffic patrol responsibility about their policies for recording race and ethnicity data for persons in traffic stops. Basic information was obtained on the circumstances under which demographic data were collected for traffic-related stops and whether this information was stored in an electronically accessible format. The data collection was not designed to obtain available agency databases containing traffic-stop records.

Survey of Campus Law Enforcement Agencies
Provides data describing campus law enforcement agencies serving U.S. 4-year universities or colleges with 2,500 or more students. Also surveyed were 2-year institutions with 2,500 or more students and a sample of 4-year institutions with 1,000 to 2,499 students. Data were collected on personnel, functions, expenditures and pay, operations, equipment, computers and information systems, community policing activities, specialized units, and emergency preparedness activities.

Survey of Inmates in Local Jails (SILJ)
A periodic survey based on personal interviews conducted with a sample of inmates in local jails. The survey is broad in scope, collecting a wide range of data. The data from the survey provides a nationally-representative profile of inmates in local jails over time.

Survey of Law Enforcement Gang Units (SLEGU)
Provides data from all law enforcement agencies with 100 or more sworn officers and at least one officer dedicated primarily to the problem of gang activity. Data are collected on gang unit demographics, selection criteria, training, operations, and workload, as well as summary measures of gang activity.

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