In other words to get in the way of the first responders, add to the chaos, and further traumatize his fellow students. Maybe even get some good blood and gore shots. Most decent people would have stayed away, or if they went they wound have gone to try to render aid not take pictures. This guy is the ultimate hero to the left who never waste crisis.
Look at the fame Jesse Jackson got from dipping his hands into the pool of blood next to Martin Luther King! As Rahm advised..., "Never let a crisis go to waste!"