FILE - In this file photo of Feb. 26, 1993, Victims of a fire at the World Trade Center in New York are treated at the scene after an explosion rocked the complex. Twenty years ago a group of ... more 
FILE - In this file photo of Feb. 26, 1993, Victims of a fire at the World Trade Center in New York are treated at the scene after an explosion rocked the complex. Twenty years ago a group of terrorists blew up explosives in an underground parking garage under one of the towers, killing six people and ushering in an era of terrorism on American soil. (AP Photo/Marty Lederhandler, File) less 
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Associated Press | Photo By Marty Lederhandler, File
Tue, Feb 26, 2013 8:55 AM EST