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What is an undocumented immigrant or alien?
The easy definition of an undocumented immigrant is that he or she is a foreign-born person who doesn’t have a legal right to be or remain in the United States. But that’s where the easy part stops. This covers a wide variety of people from those who entered the country with permission, meaning they were inspected and admitted at a port of entry, and those who crossed a broder and were not legally admitted into the country.