Above:School of the Americas protest
Above:Sinister plans for puppet production (obviously not from an engineering school student)
Okay, so it's not the most technically sophisticated thing we've ever seen - it's not exactly the plans for the Death Star or anything like that. But, using these secret plans, I have been able to determine the weakness in their defenses. You begin at the south end, and rapidly work your way north, finishing with a surgical strike upon the critical central region. I've prepared this diagram to assist you:
Looks like that costume is designed more to be a protective shield when the police batons come a whackin'.
Maybe they can also screen out tear gas inside that thing.