Example image of eyePlorer eyePlorer map for 'United States Border Patrol': Law enforcement agency United States Department of Homeland Security Immigration and Nationality Act Alien (law) Illegal drug trade Terrorism United States Controlled Substances Act Delegated authority Drug Enforcement Administration Immigration and Naturalization Service Watchmen El Paso, Texas California Chinese Exclusion Act Immigration Act of 1924 United States Army Texas Ranger Division 1924 Illegal entry May 28 Mexico – United States border United States Department of Labor East Coast of the United States United States Department of Justice U.S. Immigration and Customs Enforcement United States Citizenship and Immigration Services September 11 attacks Illegal immigration Port of entry United States Border Patrol Interior Checkpoints Immigration Reform and Control Act of 1986 Livermore Sector (U.S. Border Patrol) California Proposition 187 (1994) Office of National Drug Control Policy Sandia National Laboratories Florida Keys Garita Silvestre Reyes Duncan Hunter Douglas, Arizona Nogales, Arizona Canada – United States border Bakersfield, California Dublin, California Parks Reserve Forces Training Area Sacramento, California Little Rock, Arkansas Roseburg, Oregon Unmanned aerial vehicle