airport property, jumping a fence, how far they got on, without proper credentials but more disconcerting to me is that the person was able to get away. >> reporter: congressman gregory meeks' district includes jfk airport. he was briefed today. jfk had sensors in some of its fencing but not all. it has gaps, and that's where this man climbed over. >> we don't know whether or not they were there casing the airport, whether they were testing security, what the purpose was, and it would seem to me that person then had some idea if they got away of weak points. >> reporter: breaches in airport per rim ter security more on than people realize. 2011 tsa told congress 2500 security breaches at airports annually, that includes perimeter breaches. this past august, jfk, a man ran