Those bags are at least 8"x12" and with all the "contents" I hardly think he could have stuffed it in his pocket.
Wrong in this case: 
How do you know he worked for a large regional?
It happened in concourse A, no mainlines, unless you consider F9 and G4 mainline.
I'm just curious as we never heard anything like this in the news or scuttlebutt around campus.