U.S. law enforcement agencies

The federal law enforcement agencies in the United States are as follows

Department of Justice (DOJ): Federal Bureau of Investigation (FBI), Drug Enforcement Administration (DEA), Interpol United States Central Bureau (USNCB), United States US Marshals, Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF).

Department of Homeland Security (HSD): Transportation Security Administration (TSA), Secret Service, Immigration and Customs Enforcement ( ICE), Customs and Border Protection (CBP), U.S. Coast Guard (USCG)

State Department (DOS): Diplomatic Security Service (DSS)

Department of Defense (DOD): Defense Directorate of Investigation (DIS), Army Criminal Investigative Command (CID), Naval Criminal Investigative Service (NCIS), Air Force Office of Special Investigations (OSI)

Other federal law enforcement agencies include: Capitol Police (USCP), The United States Park Police (USPP), the Inspector General (IG) within all federal agencies.

The Immigration Service (INS), formerly the United States Border Patrol (USBP), merged into CBP. Additionally, there is no White House The security of the Guards, the President and other dignitaries is undertaken by the Secret Service of the Department of Homeland Security.