I should have known! It makes perfect sense. The secret passage under the Kremlin wasn't a good spot for you to broadcast your mind-controlling radiowaves across Europe and the world. When I think about it, and the fact that you weren't actually in the lair... Curses! It was so obvious!
FOOL! That was my decoy underground lair.
Boko! I thought you died when your underground lair exploded!
GAYLOCK! We meet again...