The document discusses illegal immigration to the United States. It notes that in 2008, the illegal immigrant population was estimated to be around 11 million people, down from 12.5 million in 2007, with estimates ranging from 7 to 20 million. According to a 2005 report, over half of illegal immigrants came from Mexico, with others coming from other Latin American countries, Asia, Europe and Canada, Africa, and other parts of the world. The document warns that half of the reader's family may try to cross illegally.