Figure 1-1 Apprehensions of unauthorized immigrants, 2001-2010.

SOURCE: Data from U.S. Department of Homeland Security, 2011b:Table 35.


Figure 1-2 U.S. Border Patrol sectors along the U.S.–Mexico border.

NOTE: The sectors are San Diego and El Centro in California; Yuma and Tucson in Arizona; and El Paso, Marfa, Del Rio, Laredo, and Rio Grande Valley in Texas.

SOURCE: U.S. Government Accountability Office, 2011b:2.

The National Academies | 500 Fifth St. N.W. | Washington, D.C. 20001
Copyright © National Academy of Sciences. All rights reserved.
Terms of Use and Privacy Statement