(911 operator, muffled) 911, what's your emergency? (overlapping radio calls) the first responders, they are the reason why i'm here. just um, just makes me thankful, for everything that i have. ♪ kickoff in atlanta brought to you by verizon. a small army of security will be protecting the one million visitors who made their way to atlanta for super bowl liii, a helicopter, bomb sniffing dogs and thousands of cameras out for sunday's big game. cnn's dave briggs is live in