"I am sure he was not. A man who has led the sort of life he has done for fifty years does not lock his bedroom door on retiring to rest."

"In that case the murderer must have obtained access to the room through the house, and I must make it my business to ascertain whether any of the windows or doors were open this morning. One more question, Mr. Standerton, and I have finished for the present. Have you any reason to suppose that your father had an enemy?"

Jim remembered the suspicion that had been in his mind ever since he had made the ghastly discovery that morning.

"I have," he answered. "There was a man in Australia who hated my father with an undying hatred."

"Forgive my saying so, but a man in Australia could scarcely have committed murder in England last night."

"But the man is not in Australia now. He was here yesterday evening, and he and my father had a quarrel. The man was ordered out of the house, and went away declaring that, whatever it might cost, he would be revenged."

"In that case it looks as if the mystery were explained. I must make it my business to discover the whereabouts of the man you mention."

"He was staying at the 'George and Dragon' yesterday," said Jim. "By this time, however, he has probably left the neighbourhood. It should not be difficult to trace him, however; and if you consider a reward necessary, in order to bring about his apprehension more quickly, offer it, and I will pay it only too gladly. I shall know no peace until this dastardly crime has been avenged."

"I can quite understand that," the doctor remarked. "You will have the sympathy of the whole County."

"And now," said the police officer, "I must be going. I shall take a man with me and call at the 'George and Dragon.' The name of the person you mentioned to me is——"