You worried about those Georgians rushing into Florida? (Actually, it's probably the Alabamians, but let's not pick nits).
Considering the only land border Florida has that you can stand on is with other US states which requires no border control, wondering what "border" you're referring to in Florida?
You do realize that the Supreme Court disagrees with your assertion that the Bill of Rights is only applicable to US Citizens?
See http://thehill.com/blogs/pundits-blog/immigration/255281-yes-illegal-aliens-have-constitutional-rights and related (cited) SCOTUS cases.
His name and account are in the original article, describing a pattern of behavior (intimidation of Chinese/foreign students) by the instructors in question. It doesn't mention any criminal acts against him, though.
Recor:
You do know that standing on the Southern Border will do nothing to stop Chinese students from arriving with visas in hand, right?
But by all means, go stand out there. Best bring some sunscreen and a bottle of water.