BLE118 - S6 Premiere - #33 Dr. Hans Koehler & #20 The Corsican

Red needs to find Dr. Koehler to protect Red's identity, but The Corsican finds him first. For Red, this is only a minor issue in the season six premiere. Turns out Red is busted by NYPD and is going to jail. Now he tasks Liz to finding the rat that sold him out.