What's New : The Truth About Ilya Koslov Comes Out in This Exclusive The Blacklist Sneak Peek

At the end of The Blacklist's last episode, Katarina Rostova (Laila Robins) captured the real(?) Ilya Koslov (Brett Cullen), Rostova's childhood friend who helped her escape all her various pursuers after she killed the real Raymond Reddington. We were told that Red (James Spader) was Ilya Koslov,