It might constitute the breaking of Vienna Convention http://en.wikipedia.org/wiki/Vienna_Convention_on_Diplomatic_Relations http://en.wikipedia.org/wiki/Vienna

It might constitute the breaking of Vienna Convention http://en.wikipedia.org/wiki/Vienna_Convention_on_Diplomatic_Relations http://en.wikipedia.org/wiki/Vienna_Convention_on_Diplomatic.... Usually diplomatic cars, airplanes, etc. are not to be stopped and particularly not to be searched by local police, so this was a HUGE diplomatic screw up, especially since Snowden wasn't on the plane.