"I never heard such insolence," she said. "You have taken your trouble for nothing. I shall not give you a pound more."

"You'd better, Mrs. Middleton," said Rudolph, "or I may tell all I know."

"You would only ruin yourself, and lose your entire income."

"I should ruin you, too."

"Not at all. No one would believe you against me. Besides, are you ready to be tried for murder?"

"Who has committed murder?"

"You have."

"Prove it."

"Didn't you kill the boy?"