Miss Odell had had another visitor that night, Jessup would have known of it.
But Heath, with the thoroughness of his nature, rose quickly and stepped out into the main hall. In a moment he returned, looking troubled but satisfied.
"Right!" he nodded to Markham. "The lavatory door's on a direct unobstructed line with the switchboard."
Jessup took no notice of this verification of his statement, and stood, his eyes attentively on the District Attorney, awaiting any further questions that might be asked him. There was something both admirable and confidence-inspiring in his unruffled demeanor.
"What about last night?" resumed Markham. "Did you leave the switchboard often, or for long?"
"Just once, sir; and then only to go to the lavatory for a minute or two. But I watched the board the whole time."
"And you'd be willing to state on oath that no one else called on Miss Odell from ten o'clock on, and that no one, except her escort, left her apartment after that hour?"
"Yes, sir, I would."
He was plainly telling the truth, and Markham pondered several moments before proceeding.
"What about the side door?"
"That's kept locked all night, sir. The janitor bolts it when he leaves, and unbolts it in the morning. I never touch it."
Markham leaned back and turned to Heath.
"The testimony of the janitor and Jessup here," he said, "seems to limit the situation pretty nar-
