In this July 27, 2011 photo, Rosemary Hartmann, adjudications officer with the office of policy and strategy for U.S. Citizenship and Immigration Services, shows a card with information about human ... more 
In this July 27, 2011 photo, Rosemary Hartmann, adjudications officer with the office of policy and strategy for U.S. Citizenship and Immigration Services, shows a card with information about human trafficking during a news conference in Philadelphia. Federal immigration officials are working with authorities in Philadelphia and other cities around the U.S. to try to increase the use of the special "T visa" to help victims of human trafficking. (AP Photo/Alex Brandon) less 
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Associated Press | Photo By Alex Brandon
Tue, Aug 2, 2011 9:50 AM EDT