The United States Department of Homeland Security (DHS) is the U.S. federal executive department responsible for public security,roughly comparable to the interior or home ministries of other countries. Its stated missions involve anti-terrorism,border security,immigration and customs,cyber security,and disaster prevention and management.
The United States Immigration and Naturalization Service (INS) was an agency of the U.S. Department of Labor from 1933 to 1940 and the U.S. Department of Justice from 1940 to 2003.
The United States secretary of homeland security is the head of the United States Department of Homeland Security,the federal department tasked with ensuring public safety in the United States. The secretary is a member of the Cabinet of the United States. The position was created by the Homeland Security Act following the attacks of September 11,2001.
U.S. Immigration and Customs Enforcement is a federal law enforcement agency under the U.S. Department of Homeland Security. ICE's stated mission is to protect the United States from cross-border crime and undocumented immigration that threaten national security and public safety.
The United States Border Patrol (USBP) is a federal law enforcement agency under the United States Customs and Border Protection (CBP) and is responsible for securing the borders of the United States. According to its website as of 2022,its mission is to "Protect the American people,safeguard our borders,and enhance the nation’s economic prosperity."
The United States Customs Service was a federal law enforcement agency of the U.S. federal government. Established on July 31,1789,it collected import tariffs,performed other selected border security duties,as well as conducted criminal investigations.
United States Customs and Border Protection (CBP) is the largest federal law enforcement agency of the United States Department of Homeland Security. It is the country's primary border control organization,charged with regulating and facilitating international trade,collecting import duties,as well as enforcing U.S. regulations,including trade,customs,and immigration. CBP is one of the largest law enforcement agencies in the United States. It has a workforce of more than 45,600 federal agents and officers. It is headquartered in Washington,D.C.
The Federal Protective Service (FPS) is a federal law enforcement agency of the United States Department of Homeland Security (DHS). It is also "the federal agency charged with protecting and delivering integrated law enforcement and security services to facilities owned or leased by the General Services Administration (GSA)"—over 9,000 buildings—and their occupants.
Air and Marine Operations (AMO) is a federal law enforcement component within U.S. Customs and Border Protection (CBP),an agency of the United States Department of Homeland Security (DHS). AMO's mission is to protect the American people and nation's critical infrastructure through the coordinated use of air and marine assets to detect,interdict and prevent acts of terrorism and the unlawful movement of people,illegal drugs,and other contraband toward or across the borders of the United States. Air and Marine Operations Agents and Officers are endowed with the authority to enforce Title 8 and Title 19 (Customs) of the United States Code in addition to the general law enforcement powers bestowed upon federal law enforcement agents.
The Border Patrol Tactical Unit (BORTAC) is one of two police tactical units in the Special Operations Group,under the United States Border Patrol (USBP) that specialize in counterterrorism,high-risk tactical law enforcement situations,hostage rescue,operating in difficult to access terrain,reconnaissance,and tactical special operations. In 2007,BORTAC was placed under the command of the newly formed Special Operations Group (SOG) together with the Border Patrol Search,Trauma,and Rescue (BORSTAR).
Ronald Donato Vitiello is an American government official and former U.S. Border patrol agent who served as deputy director and acting director of the U.S. Immigration and Customs Enforcement from June 30,2018 to April 12,2019. He previously served as acting deputy commissioner of the U.S. Customs and Border Protection from 2017 to 2018 and chief of the United States Border Patrol in 2017. In 2018,U.S. president Donald Trump awarded Vitiello a Presidential Rank Award for Distinguished Executive in the Senior Executive Service.
Kevin Kealoha McAleenan is an American attorney and government official who unlawfully served as the acting United States secretary of homeland security from April to November 2019.
Carla L. Provost is a retired American government official who served as the Chief of the United States Border Patrol from August 2018 through January 2020. She was the first woman to serve as Chief of the Border Patrol,a career law enforcement position. Provost held numerous positions during her 25-year career in the Border Patrol,including serving as Deputy Chief beginning in October 2016,and Acting Chief from April 2017 until her promotion in August 2018.
Kirstjen Michele Nielsen is an American attorney who served as United States Secretary of Homeland Security from 2017 to 2019. She is a former principal White House deputy chief of staff to President Donald Trump,and was chief of staff to John F. Kelly during his tenure as Secretary of Homeland Security.
Abolish ICE is a political movement that seeks the abolition of U.S. Immigration and Customs Enforcement (ICE). The movement gained mainstream traction in June 2018 following controversy of the Trump administration family separation policy. The movement proposes that ICE's responsibilities be subsumed by other existing immigration agencies,as was the case before its creation. Discussions are particularly focused on the enforcement wing of ICE.
Matthew Albence is a former American law enforcement officer and government official. He served as acting director of U.S. Immigration and Customs Enforcement from July 5,2019 to August 25,2020 and between April 13 and May 27,2019. During that time,he was a vocal advocate against the reunification of parents and children who had been separated as part of the Trump administration family separation policy.
In June 2020,the Trump administration began deploying federal law enforcement forces to select cities in the United States in response to rioting and monument removals amid the George Floyd protests. Federal law enforcement elements were deployed under Operation Legend,Operation Diligent Valor,and the Protecting American Communities Task Force (PACT). The Department of Homeland Security (DHS) cited an executive order regarding "monuments,memorials and statues" as allowing federal officers to be deployed without the permission of individual U.S. states,as the federal government "has the right to enforce federal laws,investigate crimes and make arrests" within states.
John R. Sandweg is an American attorney who served as an acting director of U.S. Immigration and Customs Enforcement from August 1,2013 to February 21,2014. He is a partner of Nixon Peabody leading the Cross-Border Risks team.
The Director of the U.S. Immigration and Customs Enforcement (ICE) is a civilian official in the United States Department of Homeland Security. During July 2010 the position's title was changed from Assistant Secretary for U.S. Immigrations and Customs Enforcement.
Troy A. Miller is an American law enforcement official currently serving as the Acting Commissioner of the United States Customs and Border Protection,a position he previously held between January and December 2021. From December 2021 to November 2022 he served as the Deputy Commissioner.
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United States Marine Corps 
