i guess i coulda checked be4 asking.....but
Damour, who was a maintenance worker and was helping with the opening of the store, was pronounced dead just after 6 a.m. His cause of death remained undetermined as of last night pending an autopsy, police said.
and then if u watch the video, the shopper person who was interviewed(quite opinionated and definitely not a doctor) claims onlookers think the guy had a heart attack and was large guy.......
So i guess lack of air, the excitement, shock and fear could cause the heart attack, especially if he was overweight or had prior condition....