He floats around in people and makes them kill people and then do awful things to the bodies. Laura Palmer, the murdered girl, comes into the Red Room. Her eyes aren't right. She starts screaming. The lights start strobing.
Cooper walks out of the room.
His former lover, Caroline, is lying on the floor. She gets up. She becomes Cooper's current lover, Annie, and speaks in the same distorted voice. She's got evil eyes, too. Cooper turns and runs.