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.
A recent study by the Pew Research Center, meanwhile, found that the median length of stay for illegal immigrants in the United States jumped from less than eight years in 2003 to nearly 13 years by 2013.