exist. experts who reruled the activities of the protile, it's typically of espionage efforts on of professional site has made it a more powerful magnet for spies. rafael joins some he from london and ken is back as well. rafael, always great to have an old ap colleague on the show. thank you so much for being here. this story is absolutely stunning. can you walk us through how you figured out this profile on link linkedin that presumably many powerful people thought was a person actually isn't? >> what happened was about a month ago, i was alerted by a british academic in london that head had been approached by this katie jones character. he thought there was something suspicious about her, because she would claim to work in the field of russia studies. he's a longtime russia watcher.