a third wears a hajjab. they are standing outside a car with luggage talking to one man who is helping them with the bags. this video was apparently recorded on february 19th in the turkish border city. british officials say just two days earlier, these girls, two of them 15 usersyears old, one 16 boarded a plane from london to istanbul without their parents' knowledge. this new video was released by a turkish tv network, distributed by reuters. cnn could not independently verify the authenticity of this footage. this comes of course as cia director john brennan is giving chilling new information on the number of foreign jihadists who have gone to fight in syria. >> we roughly estimate that at least 20,000 fighters from more than 90 countries have gone to fight. several thousand of them from western nations, including the united states. among the dangers these fighters pose upon their return is a top