"He went in with Miss Odell, and stayed about half an hour."
Markham's eyes brightened, and there was a suppressed eagerness in his next words.
"Then he arrived about eleven, and was alone with Miss Odell in her apartment until about half past eleven. You're sure of these facts?"
"Yes, sir, that's correct," the man affirmed.
Markham paused and leaned forward.
"Now, Jessup, think carefully before answering: did any one else call on Miss Odell at any time last night?"
"No one, sir," was the unhesitating reply.
"How can you be so sure?"
"I would have seen them, sir. They would have had to pass the switchboard in order to reach this apartment."
"And don't you ever leave the switchboard?" asked Markham.
"No, sir," the man assured him vigorously, as if protesting against the implication that he would desert a post of duty. "When I want a drink of water, or go to the toilet, I use the little lavatory in the reception-room; but I always hold the door open and keep my eye on the switchboard in case the pilot-light should show up for a telephone call. Nobody could walk down the hall, even if I was in the lavatory, without my seeing them."
One could well believe that the conscientious Jessup kept his eye at all times on the switchboard lest a call should flash and go unanswered. The man's earnestness and reliability were obvious; and there was no doubt in any of our minds, I think, that if
