States bordering Mexico continue to have high populations of illegal immigrants. Arizona has experienced a marked increase over the past two decades.
SOURCE: Pew Hispanic Center, U.S. Census Bureau | The Washington Post - April 30, 2010
Ariz. measure puts police in tight spot Article | TUCSON -- Every day, as Sgt. Russ Charlton patrols the south side of Tucson, he encounters a wide range of this city's residents -- legal, illegal, native-born, naturalized, just passing through. To him, their immigration status is largely irrelevant. "People are just people," Charlton said.