Millions of businesses also turned to private security to shore up their business defenses. Studies indicate
that some forms of private security services are booming, but overall, the security industry has actually declined between 1999 and 2004. The nation's private security industry has certainly changed since the September 11 terrorist attacks, but how much it has changed really depends on specific areas of security. One industry researcher notes, "In 2003, there were approximately
one million security guards including airport screeners employed in the United States compared to 650,000 U. S. …… Sikhs are also mistakenly included since police are unable to detect the difference. District of Columbia, Maryland, and Virginia Advisory Committees to the U. S. Commission on Civil ights, 2003 a lot of people are being arrested on very technical immigration infringements of visa, and immigration judges will never let go an individual till the FBI articulates a curiosity in that particular person. For instance, on one occasion a student who missed to put his signature on an I 20 immigration form was held and had been imprisoned for six weeks. In its declaration to the Immigration Court deliberating to retain the youth in jail, the FBI stated that it had been unable to exclude the odds that he is in some manner or the other associated with or has knowledge regarding the terrorist assaults.