. >> waiter matt mcconnell, a graduate student at nearby georgia state university, has his hands full>> i was kind of in a busy state of mind, trying to ring in their orders, keep everything flowing smoothly. >> seated at one of those tables, georgia tech undergrad paul hargate. >> we were just out for dinner and a few drinks. it was me and my wife, her two sisters, and three or four of their friends. >> security cameras installed just two weeks before catch paul and the group sharing a relaxing evening. paul digs into a dish called the black and blue quesadilla. grilled steak with bleu cheese, chihuahua cheese, and caramelized onions. midway through the male, he takes an especially big bite and swallows, only to feel a chunk of quesadilla long dge in his throat. paul immediately reaches for his glass of water. >> i tried to wash it down, and it wasn't going down. so i kept drinking water. >> but the water only makes things worse. >> the water pushed it down further in there. but it didn't go down into my stomach. it went down into my air tube. and that completely blocked any air from