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What we know about unauthorized immigrants living in the U.S.
Breaking Down the Immigration Figures - FactCheck.org
Migrants will keep coming to the U.S., analysts agree. Here's why. - NPR
Illegal immigration - Wikipedia
There aren’t 30 million immigrants in the U.S. illegally
Here’s the Reality About Illegal Immigrants in the United States
Illegal immigration to the United States - Wikipedia
The Facts on the Increase in Illegal Immigration
Key facts about the U.S. unauthorized immigrant population | Pew ...
5 facts about illegal immigration in the U.S.