This view of the Constitution has been rejected by the federal courts, which consistently have held that under the Constitution, the states do not have the power to nullify federal laws. The courts have rejected the compact theory, finding that the Constitution was not a contract among the states.
A U.S. Border Patrol agent in San Diego has been arrested for hiding his undocumented father and other people in the U.S. illegally.
Illegal immigration continues to be a controversial and divisive topic, not only in the United States, but throughout the world. An individual who is residing in a country illegally is known as an illegal immigrant.. Other terms that are commonly used include: undocumented immigrant, illegal immigrant, undocumented alien, unauthorized migrant, illegal migrant, illegal alien, migrant, or undocumented worker.