There have been several incidents recently in the JFK/LGA'EWR area that either the prot authority or the NYPD needs to get a helicopter up there ready to chase that turd down. Follow the Quad to it's owner and have ground units tracking the helicopter. Then throw the book at him. He is at very high altitude and playing with lives of everyday people just trying to get somewhere.
Don't think it can be done? Ask some ex-owners of GPS jammers in the Newark area who were trying to keep their bosses from finding our where they were as they were driving by EWR regularly. The port authority, with a lot of help fromt he FAA found them and not only shut them down but fined them big time. People playing aournd like this get overconfident and make mistakes. You start screwing around with lives and the FAA takes notice.