The officer went outside, leaving his companion within, with injunction to keep a close watch on the woman.

There were two members of the force outside who had been watching the front and rear of the house.

"Have you seen the young villain?"

"Haven't seen a live soul, sergeant."

"Then he must still be in the house. The old woman is obstinate as death."

"Better not go too fast, sergeant," said the man in charge of the front entrance. "It is possible that we have made a mistake."

"Not the least possibility of it," retorted the sergeant of police. "The young man claims to have positive evidence that Bordine murdered his sister."

"I know, but he may be mistaken."

"He said that the weapon used was a dagger of slender make. If we could find that."

"Have you searched for it?"