主题：六扇门那些事儿第二部 -- 史老柒

谁是警察国家，由此可见一斑。翻译较粗俗。

源自维基百科，只列联邦级的：

Department of Homeland Security (DHS)国土安全部

- United States Coast Guard (USCG) 海岸警卫队

+ Coast Guard Police (CGPD)海岸警卫队警察

+ Coast Guard Investigative Service (CGIS)海岸警卫队调查局

- United States Customs and Border Protection (CBP)海关和边防局

+ United States Border Patrol (USBP)边防巡警

- Federal Protective Service (FPS)联邦保卫局（看大门的）

- United States Immigration and Customs Enforcement 移民局警察

- United States Secret Service (USSS)特勤局 （保镖）

- Transportation Security Administration (TSA)交通安全局

+ Federal Air Marshal Service (FAMS)航空警察

Department of Justice (USDOJ)司法部

- Bureau of Alcohol, Tobacco, Firearms, and Explosives (ATF)阿凡提

- Drug Enforcement Administration 缉毒署

- Federal Bureau of Investigation (FBI)联邦调查局

- Federal Bureau of Prisons (BOP)联邦监狱局

- United States Marshals Service (USMS)联邦司法警察局

Department of State (DOS)国务院

- Bureau of Diplomatic Security 外交安全局

Department of Commerce (DOC)商务部

- National Oceanic and Atmospheric Administration Fisheries Office for Law Enforcement 海洋大气渔业警察 （渔政）

Department of Treasury 财政部

- Internal Revenue Service Criminal Investigations Division (IRS-CID) 税务局犯罪调查局

- Treasury Inspector General for Tax Administration (TIGTA)税务监察局

- United States Mint Police (USMP)美国造币厂警察局

Department of Defense 国防部

- Defense Criminal Investigative Service(DCIS)国防犯罪调查局

- Pentagon Force Protection Agency 五角大楼保安局

Department of the Army 陆军部

- United States Army Criminal Investigation Division (Army CID)陆军犯罪调查局

- United States Army Military Police Corps 陆军宪兵

Department of the Air Force 空军部

- Air Force Office of Special Investigations 空军特别调查局

- Air Force Security Forces 空军保安部队

Department of the Navy 海军部

- Naval Criminal Investigative Service (NCIS)海军犯罪调查局

- Office of Naval Intelligence Police (ONI Police)海军情报局警察

- Marine Corps Provost Marshal's Office 海军陆战队司法警察

Department of Education 教育部

- Office of the Inspector General (OIG)教育部监察局

Department of Health and Human Services 卫生部

- Food and Drug Administration (FDA)食品药品监督管理局

+ Office of Criminal Investigations 犯罪调查处

Department of Agriculture (USDA)农业部

- U.S. Forest Service Law Enforcement and Investigations 森林警察和调查局

- Office of Inspector General 监察局

Department of the Interior (USDI)内务部

- Bureau of Indian Affairs Police 印第安事务警察

- Bureau of Land Management Office of Law Enforcement & Security 土地管理局警察

- National Parks Service 国家公园

+ National Park Rangers 国家公园巡警

+ United States Park Police 公园警察

+ U.S. Fish & Wildlife Service Office of Law Enforcement 渔业与野生动物警察

Other Major Federal Law Enforcement Agencies 其他联邦直属执法机构

- Central Intelligence Agency Security Protective Service (SPS) 中央情报局安全保卫部

- Federal Reserve Police 美联储警察

- Library of Congress Police 国会图书馆警察

- National Security Agency Police (NSA Police)国家安全局警察

- Smithsonian National Zoological Park Police 国家博物馆警察

- United States Capitol Police (USCP)美国国会警察

- United States Postal Inspection Service (USPIS)美国邮政警察

- United States Supreme Court Police 美国最高法院警察

- Veterans Affairs Police 退伍军人事务部警察