It was a JFK Jr LARP fest.
https://boards.4chan.org/pol/thread/214707363/get-in-here-big-events-unfolding-in-june-through#p214713299
They would ask for the remainder of the photo shoot where the police wrangled her up and put the zip ties on her to escort her from the perimeter. People these days, however, are fascinated with the power of a picture .005 seconds from the actual happening.