Saw this recently,you have to register for the full article.
Foreign citizens who change planes at airports in the United States can legally be seized, detained without charges, lawyers for the government said Tuesday.
http://www.nytimes.com/auth/login?URI=http://www.nytimes.com/2005/08/10/nyregion/10civil.html&OP=785ed305Q2FJlQ22Q7EJvghQ25Q51gguQ3FJQ3FDDQ27JDfJ_DJnQ2BQ51Q22Q5D0gnJ_Dh0q04(juQ604
Dave