I'm no expert on image manipulation. The only project I've ever done involving it was an ASCII Art converter. So it's possible I have no idea what I'm talking a

I'm no expert on image manipulation. The only project I've ever done involving it was an ASCII Art converter. So it's possible I have no idea what I'm talking about... That being said, I would be absolutely shocked if they weren't scanning photos of the event programmatically for items resembling a black bag, and then the people who were carrying them.