Ну привет - как это не входит?
Вот их вебсайт: http://www.tsa.gov/join/careers/editorial_multi_image_0114.shtm

TSA: The Border Protection Officer performs the full range of patrol duties and is dedicated to enforcing activities related to the prevention of narcotics, contraband, terrorists, and terrorist weapons from entering the United States; and performs a full range of duties related to the interdiction and/or the apprehension of illegal aliens or individuals entering the United States illegally.