Columbia subject headings:
Deportation--United States.
Illegal immigration--Government policy--United States.
Noncitizens--Government policy--United States.
U.S. Border Patrol.
United States--Emigration and immigration--Government policy.
United States. Immigration and Naturalization Service.
Harvard subject headings:
Deportation--United States
Detention of persons--United States--Evaluation.
Illegal immigration--United States.
Noncitizens--United States
United States. Immigration and Naturalization Service
Princeton subject headings:
Deportation--United States.
Illegal aliens--Government policy--United States.
U.S. Border Patrol.
United States--Emigration and immigration--Government policy.
United States. Immigration and Naturalization Service