Although estimates vary widely, perhaps some 12 million undocumented immigrants live in the United States.

VOA: standard.2009.09.01

Latinos in particular fear that they will be racially targeted by police on the basis of their appearance, and said it will make undocumented immigrants reluctant to report crimes or cooperate in police investigations.

VOA: standard.2010.04.28

The Pew Hispanic Center says more than half of Mexican immigrants are undocumented.

VOA: special.2009.04.18