[USA] A Back Door for Terrorists / New York Times, 1 June 2007
http://www.nytimes.com/2007/06/01/opinion/01clarke.html
RICHARD A. CLARKE
"AMID all of the xenophobia and nativism surrounding the immigration debate, there is a real security concern. In the language of the bureaucracy, the problem is referred to as the “O.T.M.’s,” or Other Than Mexicans."