Are you sure this isn't one of those fake "The Onion" type stories. Seriously, it said that guy had a girlfriend. The story fails right there. Completely unbelievable.
Also, Williston Park, New York is on Long Island. No way this guy has a ".22 caliber assault rifle". The term "assault rifle" is no where to found in the article from which this "news" report originates. Talk about media bias. The Gawker is hugely sensationalized versus the AMNY story it is based on.
Compare to the story here: