"Yes."

"Was it locked?"

Hal tried to think.

"I believe it was."

"You are not sure?"

"No, sir."

"He ought to be," broke in Mr. Allen. "I would know, if I was in his place."

"See, if you cannot think, Hal," said Mr. Sumner.

"If anything, I think the window was locked," said the youth, candidly.

"You do?" said Parker.