The detective nodded. He knew that it was at the time when he was with the President.
"The fact is, Carter," continued the senator, "the sight of him brought you to my mind, and I came over here at once, purposely to ascertain if you were in town, if I could do so. I saw your name on the register, and then I remained here until your return to warn you."
"To warn me of what, senator?"
"I think that fellow would put you out of business if he had half a chance, and you may be sure that he will seek the chance."
"I haven't any doubt of that."
"I hope you'll be on your guard, Carter."
"I shall try to be so."
"And, of course, if there is anything that I can do to assist you, you can command me at any time. You know that."
"Yes. Senator?"
"Well?"