Spy Inside Isis News Today : Breaking News, Live Updates & Top Stories | Vimarsana

>> reporter: the story is a political nightmare for the trump white house, especially because, as a candidate, donald trump made such an issue out of hillary clinton's handling of classified information. >> we can't have someone in the oval office who doesn't understand the meaning of the word confidential or classified. >> reporter: presidents have the authority to declassify anything, the question is, why he would share it with an adversary? the white house insists he was soliciting russian help in the fight against isis. the "post" story suggests trump was trying to show off, quoting him te...

President trump it's believed in talking with the russians in oval office, was talking about an isis plot, what could be the biggest plot to take down a plane since 9/11. tonight, by sharing that information, are the lives of sources at greater risk, and what about our relationship with the ally who gave the white house that information in the first place. here's brian ross tonight. >> reporter: what's at risk tonight, according to current and former u.s. officials, is the life of a spy inside isis, placed there by israel, providing sensitive information about terror plots against america on t...

They're carrying on their work. but make no mistake, a number of former fbi agents i talked with are extremely angry at the way comey was fired. david. >> pierre thomas with us tonight. pierre, thank you. all of this comes as the white house refuses to say whether the white house the president gave classified information to the russians. that headline broke last night as we came on. our team could hear the yelling behind the walls of the west wing. the president reportedly revealing classified information about an isis plot. that information coming from an u.s. ally who had not given permiss...

>> what they want to do the most is they want to have a large airplane blow up in flight. >> reporter: isis has already taken credit for blowing up a russian airliner two years ago, killing more than 200 people, claiming the bomb was hidden in a soft drink can. the white house national security adviser says that justifies president trump's disclosures to the russians. >> this was the context of the conversation in which it was wholly appropriate to share what the threat was as a basis for common action and coordination. >> reporter: but many in the counterterrorism community say what the presi...

>> reporter: but a little later, he touted his meeting with the russians as a success. >> we had a very, very successful meeting with the foreign minister of russia. our fight is against isis. >> reporter: at issue, what the president said when he met with the russian foreign minister and ambassador in the oval office last week. the "washington post" first reported that the president shared highly sensitive classified information about an isis plot to target civilian airplanes with laptop bombs -- secret information, abc news has learned, given to the united states by israeli intelligence. les...