On February 26, 1993, an explosion rocked the World Trade Center parking garage. Six people died and more than a thousand were injured in the bomb blast that tore a 5-story crater in the building. During the investigation, the twisted fender of a rental van was extracted from the rubble. The FBI was able to determine from where the van was rented and by whom. Undercover agents then made their arrests within six days of the bombing. The FBI labs were essential in linking the chemicals from the bo