On September 21, 2006 around 5:00 p.m., a roof collapsed and trapped two employees under the rubble. The men were working on a structure for the Builders Showcase Expo that is set to open September 28, 2006. Most of the workers had finished for the day and only the two men were left on the structure. One of the men died upon impact and the other is at Brooke Army Medical Center. The accident...