TSA officer and Army veteran Ricardo Perez is then seen grabbing the smoking bag and placing it between two concrete pillars.
Perez said the pillars would have blocked a potential blast from passengers.
"I leaned over, grabbed it, picked it up," Perez recalled. "I was already close, so if there was an IED, I was already gone. So I might as well try to save as many as I can."
Investigators said an overheated lithium ion camera battery caused that bag to smoke.
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