The streaking took placd at the Livingston campus at the corner of Kilner and Rockefeller. You can see the sign and the "mexican grill" in the first video.
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The corner where he eats it is in front of the Starbucks. There are a few residences here in terms of apartments. The corner he starts approaching from is just open fields. This person looks like they are approaching from teh corner fo the starbucks then turns around, so they might have come out of one of those apartments. Considering they arent wearing a jacket, I am doubting they were walking around the street doing normal business then just yanked down their pants.
This could give some idea of current residence. Unless they were at the starbucks enjoying a coffee and checking their thread again on the wifi, then gooned out?