U.S. Federal Law Enforcement Agency Websites

Department of Justice (DOJ)

Federal Bureau of Investigation (FBI): https://www.fbi.gov

Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF): https://www.atf.gov

Drug Enforcement Administration (DEA): https://www.dea.gov

U.S. Marshals Service (USMS): https://www.usmarshals.gov

Department of Homeland Security (DHS)

U.S. Secret Service (USSS): https://www.secretservice.gov

Federal Protective Service (FPS): https://www.dhs.gov/federal-protective-service

Federal Law Enforcement Training Centers (FLETC): https://www.fletc.gov

U.S. Customs and Border Protection (CBP): https://www.cbp.gov

U.S. Immigration and Customs Enforcement (ICE): https://www.ice.gov

Transportation Security Administration (TSA): https://www.tsa.gov

U.S. Coast Guard (USCG): https://www.uscg.mil

Department of the Treasury

Internal Revenue Service – Criminal Investigation (IRS-CI): https://www.irs.gov/compliance/criminal-investigation

Department of the Interior

U.S. Park Police: https://www.nps.gov/subjects/uspp/index.htm

Bureau of Indian Affairs – Office of Justice Services (BIA OJS): https://www.bia.gov/bia/ojs

Department of Defense

Defense Criminal Investigative Service (DCIS): https://www.dodig.mil/Components/DCIS/

Army Criminal Investigation Division (CID): https://www.cid.army.mil

Naval Criminal Investigative Service (NCIS): https://www.ncis.navy.mil

Air Force Office of Special Investigations (AFOSI): https://www.osi.af.mil

Other Federal Law Enforcement

U.S. Capitol Police (USCP): https://www.uscp.gov

Supreme Court Police: https://www.supremecourt.gov/about/police.aspx

Amtrak Police Department: https://police.amtrak.com

Federal Offices of Inspector General (OIGs)

Department of Justice OIG: https://oig.justice.gov

Department of Homeland Security OIG: https://www.oig.dhs.gov

Department of the Treasury OIG: https://oig.treasury.gov

Department of Defense OIG: https://www.dodig.mil

Department of Health and Human Services OIG: https://oig.hhs.gov

Department of Transportation OIG: https://www.oig.dot.gov

Department of Veterans Affairs OIG: https://www.vaoig.gov

Department of State OIG: https://www.stateoig.gov

Department of the Interior OIG: https://www.doioig.gov

Department of Energy OIG: https://www.energy.gov/ig

Environmental Protection Agency OIG: https://www.epa.gov/oig

Social Security Administration OIG: https://oig.ssa.gov

U.S. Postal Service OIG: https://www.uspsoig.gov

General Services Administration OIG: https://www.gsaig.gov

Amtrak OIG: https://amtrakoig.gov

 

 

Updated 08/20/2025 cap