JESSE WATTERS (HOST): Here at Primetime, when we see a problem in America, we address it. We try to fix it. And being that our studio is here in New York, we're witnessing a major problem, something all cities are dealing with: the deranged and dangerous homeless. They used to be a nuisance but now it's starting to freak people out. West coast cities are so bad, you don't even know where you're in Fallujah or L.A. In Portland, the homeless have become an invasive species.