In this July 27, 2011 photo, Tony Bryson, left, district director for Philadelphia for the U.S. Citizenship and Immigration Services, Rosemary Hartmann, adjudications officer with the office of policy... more 
In this July 27, 2011 photo, Tony Bryson, left, district director for Philadelphia for the U.S. Citizenship and Immigration Services, Rosemary Hartmann, adjudications officer with the office of policy and strategy for USCIS, and Lynn Boudreau, assistant center director for the Vermont service center for the USCIS, talk during a media availability about human trafficking, 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 9:38 AM EDT