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handle is hein.crs/govejze0001 and id is 1 raw text is: Congressional Research Service
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Updated December 28, 2022

Department of the Interior (DOI) Law Enforcement Programs

Overview
The Department of the Interior (DOI) employs law
enforcement officers (LEOs) for a variety of purposes, and
law enforcement on lands administered by DOI and its
bureaus is of perennial interest to Congress. This has
generally included issues related to funding, jurisdictional
disputes between federal and nonfederal law enforcement
agencies, use of body cameras, and more recent concerns
around excessive force and police-community relations.
As of December 2022, DOI employed nearly 3,400 LEOs.
DOI's law enforcement contingent is the fourth largest
among executive branch departments, after the Departments
of Homeland Security, Justice, and Veterans Affairs. The
majority of these LEOs are assigned to six organizational
units within four DOI bureaus (see Figure 1). These units
are the Bureau of Land Management (BLM); Bureau of
Indian Affairs (BIA); U.S. Fish and Wildlife Service's
(FWS's) Office of Law Enforcement (OLE) and Division of
Refuge Law Enforcement (REF); National Park Service
(NPS); and U.S. Park Police (USPP) within NPS. A seventh
unit in the Bureau of Reclamation (BOR) was dissolved in
2017. In addition, several DOI offices and programs
employ LEOs for a variety of duties.
Figure 1. Total DOI Law Enforcement Figures
(as of December 2022)
Total LEO Employment: 3,391
1500                                1,372
1000           I ,
524                         520
BEM BWA BOR OL E R EF N PS USPP Ot her
Source: Totals provided to CRS on December 2022, by DOI.
Notes: BLM = Bureau of Land Management; BIA = Bureau of Indian
Affairs; BOR = Bureau of Reclamation; OLE = U.S. Fish and Wildlife
Service - Office of Law Enforcement; REF = U.S. Fish and Wildlife
Service - Division of Refuge Law Enforcement; NPS = National Park
Service; USPP = U.S. Park Police. Other reflects law enforcement
officer employment figures for the Office of the Secretary, the Office
of Law Enforcement and Security, the Assistant Secretary for Indian
Affairs, and the Office of Aviation Services. All totals reflect on-
board employment figures, which calculate the number of employees
in pay status at the end of the quarter. Data for on-board
employment provide employee head count in most departments
and agencies as of a particular date, including full-time, part-time, and
seasonal employees.

DOI defines law enforcement officer as a person who has
entered the Federal service through established selection
criteria, has received professional training according to
published standards and has been commissioned or sworn
to perform law enforcement duties (DOI Departmental
Manual Part 446 Ch. 1). Generally, LEOs include
employees who are authorized to carry firearms, execute
and serve warrants, search for and seize evidence, make
arrests, and perform such duties as authorized by law. The
category broadly includes uniformed police officers,
investigative agents, correctional officers, and various other
positions within DOI. Since 2001, DOI's Office of Law
Enforcement and Security (OLES) has provided direction,
oversight, and coordination across DOI's various law
enforcement units (Secretarial Order No. 3234, Enhanced
Coordination of Department of the Interior Law
Enforcement and Security).
The specific duties of DOI LEOs can vary considerably
based on the type (e.g., investigative agent vs. correctional
officer), seniority (supervisory vs. nonsupervisory), and
geographic location of the position. For example, in the
American Southwest, officers may spend considerable time
dealing with unauthorized recreational off-highway vehicle
users and archaeological resource crimes, whereas LEOs
working in urbanized areas may be responsible for
managing special events and political demonstrations, as
well as performing more general law enforcement duties.
The following sections provide a brief overview of DOI law
enforcement units, their enforcement activities, and the
authority under which they operate. The sections also
briefly discuss additional law enforcement support for DOI
and its bureaus.
Bureau of Land Management
Under the Federal Land Policy and Management Act of
1976 (43 U.S.C. §§1701 et seq.), the Secretary of the
Interior is authorized to stand up a law enforcement body to
enforce federal laws and regulations with respect to lands
and resources under BLM's jurisdiction. As of December
2022, BLM employed 229 law enforcement rangers and 78
special agents for a total of 307 LEOs. BLM rangers
typically are responsible for the enforcement of laws and
regulations governing BLM lands and resources. Special
agents typically are plainclothes criminal investigators who
plan and conduct investigations concerning possible
violations on BLM lands.
Bureau of indian Affairs
Jurisdiction over offenses or crimes committed on tribal
lands may lie with federal, state, or tribal agencies,
depending on the offense, the location of the offense, and
whether the offender or victim is an enrolled member of a

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