“A card over the lens,” Grover grunted. “Of course! This Joseph Z. Clark is a clever man.”
“And so is Doctor Ryder, for he must have guessed that the recording was going ahead, and he told us all he could.”
“Yes, Roger. And they haven’t been here yet.”
“So they will walk into a trap,” finished Tip.
They made hurried preparations, hiding the Falcon guards and finding concealment for themselves.
Doctor Ryder had said he would “gladly” bring the man. How wise! He would know that they would get him, there.
They did not have a long vigil.
In the tell-tale shadow-box panel of lights wired for all entrances, the one to the cellar coal chute died out.
Roger felt his nerves quiver, his muscles grow taut.
All they had to do was to wait.