Columbia subject headings:
Human Smuggling and Trafficking Center (U.S.)
Human smuggling--Prevention.
Human trafficking--Prevention.
Terrorists--Travel--Prevention.
Harvard subject headings:
Human Smuggling and Trafficking Center (U.S.)
Human smuggling--Prevention.
Human trafficking--Prevention.
Terrorists--Travel--Prevention.
Princeton subject headings:
Human Smuggling and Trafficking Center (U.S.)
Human smuggling--Prevention.
Human trafficking--Prevention.
Terrorists--Travel--Prevention.