CNN Erin Burnett OutFront April 16, 2015 23:43:00
Norad says such things are very difficult for traditional radar systems to detect so washington has been experimenting with a system called j lens, it uses some large, tethered blimps and a different type of radar which might be able to spot something like this gyro copter but it's not in place yet, so the concern remains that at the moment there's a big crack in d.c.'s protective wall and it needs to be fixed. erin? >> it is stunning. all right, thank you very much tom. "out front" now, former assistant fbi director, tom fuentes and also cnn law enforcement analyst. tom foreman is describing ...
Source: archive.org