Chapter 11 THE two men looked at one another in silence. Parker! The man who had shown Rex Walton to his room. The staid and sober servant of the Colemans, and the last man in the world whom Jimmy Sepping would have suspected. The same thought was passing through the mind of Dicker. "Go slow here, Jimmy," he said. "This man may lead you to the big thing." "But it's incredible!" said Jimmy. "There was nothing more incredible than the disappearance of Rex Walton," replied Dicker quietly. "I repeat, go slow! If you scare this bird, you may never have another chance of getting next to Kupie." "Do you think he is Kupie?" "He knows Kupie; of that I'm certain," said Dicker. "And, of course, he's in the very job that gives him the biggest opportunity. Coleman is in the Treasury, and probabl